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Govindula A, Ranadive N, Nampoothiri M, Rao CM, Arora D, Mudgal J. Emphasizing the Crosstalk Between Inflammatory and Neural Signaling in Post-traumatic Stress Disorder (PTSD). J Neuroimmune Pharmacol 2023; 18:248-266. [PMID: 37097603 PMCID: PMC10577110 DOI: 10.1007/s11481-023-10064-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 04/16/2023] [Indexed: 04/26/2023]
Abstract
Post-traumatic stress disorder (PTSD) is a chronic incapacitating condition with recurrent experience of trauma-related memories, negative mood, altered cognition, and hypervigilance. Agglomeration of preclinical and clinical evidence in recent years specified that alterations in neural networks favor certain characteristics of PTSD. Besides the disruption of hypothalamus-pituitary-axis (HPA) axis, intensified immune status with elevated pro-inflammatory cytokines and arachidonic metabolites of COX-2 such as PGE2 creates a putative scenario in worsening the neurobehavioral facet of PTSD. This review aims to link the Diagnostic and Statistical Manual of mental disorders (DSM-V) symptomology to major neural mechanisms that are supposed to underpin the transition from acute stress reactions to the development of PTSD. Also, to demonstrate how these intertwined processes can be applied to probable early intervention strategies followed by a description of the evidence supporting the proposed mechanisms. Hence in this review, several neural network mechanisms were postulated concerning the HPA axis, COX-2, PGE2, NLRP3, and sirtuins to unravel possible complex neuroinflammatory mechanisms that are obscured in PTSD condition.
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Affiliation(s)
- Anusha Govindula
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Niraja Ranadive
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Madhavan Nampoothiri
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - C Mallikarjuna Rao
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Devinder Arora
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
- School of Pharmacy and Medical Sciences, Griffith University, Gold Coast campus, Gold Coast, Queensland, 4222, Australia.
| | - Jayesh Mudgal
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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Al Jowf GI, Ahmed ZT, Reijnders RA, de Nijs L, Eijssen LMT. To Predict, Prevent, and Manage Post-Traumatic Stress Disorder (PTSD): A Review of Pathophysiology, Treatment, and Biomarkers. Int J Mol Sci 2023; 24:ijms24065238. [PMID: 36982313 PMCID: PMC10049301 DOI: 10.3390/ijms24065238] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
Post-traumatic stress disorder (PTSD) can become a chronic and severely disabling condition resulting in a reduced quality of life and increased economic burden. The disorder is directly related to exposure to a traumatic event, e.g., a real or threatened injury, death, or sexual assault. Extensive research has been done on the neurobiological alterations underlying the disorder and its related phenotypes, revealing brain circuit disruption, neurotransmitter dysregulation, and hypothalamic–pituitary–adrenal (HPA) axis dysfunction. Psychotherapy remains the first-line treatment option for PTSD given its good efficacy, although pharmacotherapy can also be used as a stand-alone or in combination with psychotherapy. In order to reduce the prevalence and burden of the disorder, multilevel models of prevention have been developed to detect the disorder as early as possible and to reduce morbidity in those with established diseases. Despite the clinical grounds of diagnosis, attention is increasing to the discovery of reliable biomarkers that can predict susceptibility, aid diagnosis, or monitor treatment. Several potential biomarkers have been linked with pathophysiological changes related to PTSD, encouraging further research to identify actionable targets. This review highlights the current literature regarding the pathophysiology, disease development models, treatment modalities, and preventive models from a public health perspective, and discusses the current state of biomarker research.
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Affiliation(s)
- Ghazi I. Al Jowf
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- Department of Public Health, College of Applied Medical Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
- Correspondence: (G.I.A.J.); (L.M.T.E.)
| | - Ziyad T. Ahmed
- College of Medicine, Sulaiman Al Rajhi University, Al-Bukairyah 52726, Saudi Arabia
| | - Rick A. Reijnders
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Laurence de Nijs
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
| | - Lars M. T. Eijssen
- Department of Psychiatry and Neuropsychology, School for Mental Health and Neuroscience (MHeNs), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, 6200 MD Maastricht, The Netherlands
- European Graduate School of Neuroscience, Maastricht University, 6200 MD Maastricht, The Netherlands
- Department of Bioinformatics—BiGCaT, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University, 6200 MD Maastricht, The Netherlands
- Correspondence: (G.I.A.J.); (L.M.T.E.)
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Neurobiochemical biomarkers and other risk factors for post-traumatic acute stress disorder. J Psychiatr Res 2023; 157:276-284. [PMID: 36527741 DOI: 10.1016/j.jpsychires.2022.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 11/07/2022] [Accepted: 12/10/2022] [Indexed: 12/14/2022]
Abstract
Trauma is a leading cause of mortality and morbidity around the world and many trauma patients could suffer from a series of cognitive and mental disorders including acute stress disorder (ASD). Yet, little research has been done to investigate the influencing factors and pathogenesis of post-traumatic ASD. Therefore, this study investigated main influencing factors and neurobiochemical biomarkers of ASD in trauma patients with a purpose of early clinical identification and intervention. The patients were followed up by general questionnaire and Acute Stress Disorder scale (ASDS). Using the diagnostic criteria of ASD, the study participants were divided into ASD group and non-ASD group. The generalized estimating equation (GEE) multivariate analysis suggested that life stress, sleep less than 8 h, trauma from road traffic crash, overall pain intensity, injury severity, overall fear after trauma were risk factors for ASD. Neutrophil to lymphocyte ratio (NLR) showed a downward trend in both groups (P < 0.05), and the ASD group was higher than the non-ASD group (P = 0.015). Glu to GABA ratio (GGR) in the ASD group were higher than the non-ASD group (P < 0.001). Both patient demographics and patient's condition could impact the risk of developing ASD after a major injury.
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Löscher W. Dogs as a Natural Animal Model of Epilepsy. Front Vet Sci 2022; 9:928009. [PMID: 35812852 PMCID: PMC9257283 DOI: 10.3389/fvets.2022.928009] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 05/18/2022] [Indexed: 12/13/2022] Open
Abstract
Epilepsy is a common neurological disease in both humans and domestic dogs, making dogs an ideal translational model of epilepsy. In both species, epilepsy is a complex brain disease characterized by an enduring predisposition to generate spontaneous recurrent epileptic seizures. Furthermore, as in humans, status epilepticus is one of the more common neurological emergencies in dogs with epilepsy. In both species, epilepsy is not a single disease but a group of disorders characterized by a broad array of clinical signs, age of onset, and underlying causes. Brain imaging suggests that the limbic system, including the hippocampus and cingulate gyrus, is often affected in canine epilepsy, which could explain the high incidence of comorbid behavioral problems such as anxiety and cognitive alterations. Resistance to antiseizure medications is a significant problem in both canine and human epilepsy, so dogs can be used to study mechanisms of drug resistance and develop novel therapeutic strategies to benefit both species. Importantly, dogs are large enough to accommodate intracranial EEG and responsive neurostimulation devices designed for humans. Studies in epileptic dogs with such devices have reported ictal and interictal events that are remarkably similar to those occurring in human epilepsy. Continuous (24/7) EEG recordings in a select group of epileptic dogs for >1 year have provided a rich dataset of unprecedented length for studying seizure periodicities and developing new methods for seizure forecasting. The data presented in this review substantiate that canine epilepsy is an excellent translational model for several facets of epilepsy research. Furthermore, several techniques of inducing seizures in laboratory dogs are discussed as related to therapeutic advances. Importantly, the development of vagus nerve stimulation as a novel therapy for drug-resistant epilepsy in people was based on a series of studies in dogs with induced seizures. Dogs with naturally occurring or induced seizures provide excellent large-animal models to bridge the translational gap between rodents and humans in the development of novel therapies. Furthermore, because the dog is not only a preclinical species for human medicine but also a potential patient and pet, research on this species serves both veterinary and human medicine.
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Affiliation(s)
- Wolfgang Löscher
- Department of Pharmacology, Toxicology and Pharmacy, University of Veterinary Medicine, Hannover, Germany
- Center for Systems Neuroscience, Hannover, Germany
- *Correspondence: Wolfgang Löscher
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Rasmusson AM, Pineles SL, Brown KD, Pinna G. A role for deficits in GABAergic neurosteroids and their metabolites with NMDA receptor antagonist activity in the pathophysiology of posttraumatic stress disorder. J Neuroendocrinol 2022; 34:e13062. [PMID: 34962690 PMCID: PMC9233411 DOI: 10.1111/jne.13062] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 10/15/2021] [Accepted: 10/29/2021] [Indexed: 02/03/2023]
Abstract
Trauma-focused psychotherapies show general efficacy in post-traumatic stress disorder (PTSD), although outcomes vary substantially among individuals with PTSD and many patients do not achieve clinically meaningful symptom improvement. Several factors may contribute to poor treatment response, including genetic or environmental (e.g., stress) effects on neurobiological factors involved in learning and memory processes critical to PTSD recovery. In this review, we discuss the relationship between deficient GABAergic neurosteroid metabolites of progesterone, allopregnanolone (Allo) and pregnanolone (PA), and PTSD symptoms in men and women or PTSD-like behavioral abnormalities observed in male rodent models of PTSD. We also review the role and molecular underpinnings of learning and memory processes relevant to PTSD recovery, including extinction, extinction retention, reconsolidation of reactivated aversive memories and episodic non-aversive memory. We then discuss preclinical and clinical research that supports a role in these learning and memory processes for GABAergic neurosteroids and sulfated metabolites of Allo and PA that allosterically antagonize NMDA receptor function. Studies supporting the possible therapeutic impact of appropriately timed, acutely administered Allo or Allo analogs to facilitate extinction retention and/or block reconsolidation of aversive memories are also reviewed. Finally, we discuss important future directions for research in this area. Examining the varied and composite effects in PTSD of these metabolites of progesterone, as well as neuroactive derivatives of other parent steroids produced in the brain and the periphery, will likely enable a broadening of targets for treatment development. Defining contributions of these neuroactive steroids to common PTSD-comorbid psychiatric and medical conditions, as well as subpopulation-specific underlying dysfunctional physiological processes such as hypothalamic-pituitary-adrenal axis and immune system dysregulation, may also enable development of more effective multisystem precision medicines to prevent and treat the broader, polymorbid sequelae of extreme and chronic stress.
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Affiliation(s)
- Ann M. Rasmusson
- VA National Center for PTSD, Women’s Health Science Division, Department of Veterans Affairs, Boston, MA 02130, U.S.A
- Department of Psychiatry, Boston University School of Medicine, Boston, MA, 02118
| | - Suzanne L. Pineles
- VA National Center for PTSD, Women’s Health Science Division, Department of Veterans Affairs, Boston, MA 02130, U.S.A
- Department of Psychiatry, Boston University School of Medicine, Boston, MA, 02118
| | - Kayla D. Brown
- Behavioral Neurosciences PhD Program, Boston University Medical Campus, Boston, MA, 02118, U.S.A
| | - Graziano Pinna
- The Psychiatric Institute, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois, 60612, U.S.A
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Abstract
LEARNING OBJECTIVE After participating in this activity, learners should be better able to:• Discuss and outline the general and overlapping effects of the menstrual cycle on women's mental health. ABSTRACT A growing body of research demonstrates menstrual cycle-dependent fluctuations in psychiatric symptoms; these fluctuations can therefore be considered as prevalent phenomena. Possible mechanisms underlying these fluctuations posit behavioral, psychological, and neuroendocrine influences. Recent reviews document cyclic exacerbation of symptoms and explore these mechanisms in the context of specific and often single disorders. The question remains, however, as to whether there are general and overlapping effects of the menstrual cycle on women's mental health. To address this gap, we synthesized the literature examining the exacerbation of a variety of psychiatric symptoms across the menstrual cycle in adult women. Results show that the premenstrual and menstrual phases are most consistently implicated in transdiagnostic symptom exacerbation. Specifically, strong evidence indicates increases in psychosis, mania, depression, suicide/suicide attempts, and alcohol use during these phases. Anxiety, stress, and binge eating appear to be elevated more generally throughout the luteal phase. The subjective effects of smoking and cocaine use are reduced during the luteal phase, but fewer data are available for other substances. Less consistent patterns are demonstrated for panic disorder, symptoms of posttraumatic stress disorder, and borderline personality disorder, and it is difficult to draw conclusions for symptoms of generalized anxiety disorder, social anxiety disorder, obsessive-compulsive disorder, and trichotillomania because of the limited data. Future research should focus on developing standardized approaches to identifying menstrual cycle phases and adapting pharmacological and behavioral interventions for managing fluctuations in psychiatric symptoms across the menstrual cycle.
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Perioperative GABA Blood Concentrations in Infants with Cyanotic and Non-Cyanotic Congenital Heart Diseases. Diagnostics (Basel) 2021; 11:diagnostics11071149. [PMID: 34202425 PMCID: PMC8304774 DOI: 10.3390/diagnostics11071149] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/21/2021] [Accepted: 06/23/2021] [Indexed: 11/17/2022] Open
Abstract
Perioperative stress detection in children with congenital heart disease (CHD), particularly in the brain, is still limited. Among biomarkers, γ-amino-aminobutyric acid (GABA) assessment in biological fluids appears to be promising for its regulatory action on the cardiovascular and cerebral systems. We aimed to investigate cyanotic (C) or non-cyanotic (N) CHD children for GABA blood level changes in the perioperative period. We conducted an observational study in 68 CHD infants (C: n = 33; N: n = 35) who underwent perioperative clinical, standard laboratory and monitoring parameter recordings and GABA assessment. Blood samples were drawn at five predetermined time-points before, during and after surgery. No significant perioperative differences were observed between groups in clinical and laboratory parameters. In C, perioperative GABA levels were significantly lower than N. Arterial oxygen saturation and blood concentration significantly differed between C and N children and correlated at cardiopulmonary by-pass (CPB) time-point with GABA levels. The present data showing higher hypoxia/hyperoxia-mediated GABA concentrations in C children suggest that they are more prone to perioperative cardiovascular and brain stress/damage. The findings suggest the usefulness of further investigations to detect the “optimal” oxygen concentration target in order to avoid the side effects associated with re-oxygenation during CPB.
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Wang B, Yang X, Fu L, Hu Y, Luo D, Xiao X, Ju N, Zheng W, Xu H, Fang Y, Chan PSF, Xu Z, Chen P, He J, Zhu H, Tang H, Huang D, Hong Z, Ma X, Hao Y, Cai L, Yang J, Ye S, Yuan J, Chen YQ, Xiao F, Wang Z, Zou H. Post-traumatic Stress Disorder Symptoms in COVID-19 Survivors 6 Months After Hospital Discharge: An Application of the Conservation of Resource Theory. Front Psychiatry 2021; 12:773106. [PMID: 35058820 PMCID: PMC8764385 DOI: 10.3389/fpsyt.2021.773106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 12/02/2021] [Indexed: 12/17/2022] Open
Abstract
COVID-19 survivors who had acute respiratory symptoms might experience prolonged post-traumatic stress disorder (PTSD) due to further rehabilitation, somatic symptoms and related distress. The conservation of resource (COR) theory is a well-developed theory to understand how people develop PTSD symptoms in traumatic events. The current study aimed to examine the potential factors of PTSD symptoms and interrelationships among this factors among COVID-19 survivors based on the COR theory. This cross-sectional telephone survey enrolled 199 COVID-19 patients (Mean age = 42.7; 53.3% females) 6 months after their hospital discharge in five Chinese cities (i.e., Wuhan, Shenzhen, Zhuhai, Dongguan, and Nanning). The results showed that 7% of participants were classified as having probable PTSD. The significant potential factors relating to PTSD symptoms included socio-demographic status, hospitalization experiences, post-hospitalization experiences, and psychological status. Besides, the proposed statistical mediation model based on the COR framework showed good model fit, χ2(df) = 17.286 (5), p = 0.004, CFI = 0.962, NNFI = 0.951, RMSEA = 0.077. Perceived resource loss/gain fully mediated the association between exposure to other patients' suffering during hospitalization and PTSD symptoms, and partially mediated the relationships from somatic symptoms/perceived impact of being infected with COVID-19 after discharge to PTSD symptoms. On the other hand, resilience was a full mediator in the relationship from ICU experience to PTSD symptoms and a partial mediator in the relationship from perceived impact to PTSD symptoms. The results provide preliminary support on applying the COR theory to understand the factors of PTSD symptoms among COVID-19 survivors. Interventions to reduce PTSD symptoms in this population can be developed based on the modifiable psychosocial mediators.
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Affiliation(s)
- Bingyi Wang
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Xue Yang
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Leiwen Fu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Yuqing Hu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Dan Luo
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Xin Xiao
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China.,Center for Optometry and Visual Science, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Niu Ju
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Weiran Zheng
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Hui Xu
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Yuan Fang
- Department of Early Childhood Education, The Education University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Paul Shing Fong Chan
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Zhijie Xu
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Ping Chen
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Jiaoling He
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Hongqiong Zhu
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Huiwen Tang
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Dixi Huang
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Zhongsi Hong
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Xiaojun Ma
- Guangdong Provincial People's Hospital, Guangzhou, China
| | - Yanrong Hao
- Department of Scientific Research, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Lianying Cai
- Department of Education, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Jianrong Yang
- Department of Hepatobiliary, Pancreas and Spleen Surgery, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Shupei Ye
- Department of Emergency, SSL Central Hospital of Dongguan City, Dongguan, China
| | - Jianhui Yuan
- Shenzhen Nanshan District Center for Disease Control and Prevention, Shenzhen, China
| | - Yao-Qing Chen
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
| | - Fei Xiao
- The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Zixin Wang
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Huachun Zou
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China.,School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shenzhen Center for Disease Control and Prevention, Shenzhen, China.,Kirby Institute, University of New South Wales, Sydney, NSW, Australia
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