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Meletaki V, Gobinet M, Léonard J, Elzière M, Lopez C. French adaptation and validation of the Niigata PPPD Questionnaire: measure of severity of Persistent Postural-Perceptual Dizziness and its association with psychiatric comorbidities and perceived handicap. Front Neurol 2024; 15:1388805. [PMID: 39139768 PMCID: PMC11319117 DOI: 10.3389/fneur.2024.1388805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 07/08/2024] [Indexed: 08/15/2024] Open
Abstract
Persistent Postural-Perceptual Dizziness (PPPD) is a functional vestibular condition. Despite being the most common chronic neuro-otologic disorder, it remains undertreated. The Niigata PPPD Questionnaire (NPQ), developed by Yagi et al. in 2019 to assess the severity of PPPD, could be a useful tool to help in the screening and diagnosis of this condition. This study aimed to validate a French version of the NPQ and make it an available assessment tool. Moreover, we aimed to understand the characteristics of PPPD patients better. The NPQ was translated and adapted into French. 50 PPPD patients, 50 patients with vestibular disorders without PPPD, and 50 healthy controls were included. They answered the adapted NPQ and additional questionnaires assessing trait (STAI) and state anxiety (HADS-A), depression (HADS-D) and handicap related to dizziness (DHI). The NPQ's reliability was assessed by Cronbach's alpha. Intergroup comparisons and multiple linear regressions were conducted to examine the characteristics of PPPD patients compared to vestibular patients and healthy controls, to validate NPQ's reliability, and to explore the effect of clinical parameters and treatment with selective serotonin reuptake inhibitors. Receiver operating characteristic (ROC) curves were carried out to determine the diagnostic values of the NPQ total score and sub-scores. Relations between NPQ and reported handicap, depression and anxiety were evaluated by correlations between questionnaire scores. The internal consistency was high (>0.8) for all NPQ subscales and the total score. Intergroup comparisons showed a significantly higher NPQ total score and sub-scores in the PPPD group compared to the two others. The ROC curve analysis showed a significant, but poor, discrimination of NPQ (AUC = 0.664) and its subscales. DHI scores, depressive symptoms and trait anxiety were significantly higher in PPPD patients than in vestibular patients and healthy controls. State anxiety did not differ between patients with PPPD and vestibular patients without PPPD. Finally, there was a significant correlation between the NPQ and the DHI. Our study provides a better understanding of PPPD symptomatology and its assessment. It showed that the NPQ is a reliable tool that can assist in symptom assessment for a French-speaking population.
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Affiliation(s)
- Vasiliki Meletaki
- Aix Marseille Univ, CNRS, Centre de Recherche en Psychologie et Neurosciences (CRPN), Marseille, France
| | - Maélis Gobinet
- Aix Marseille Univ, CNRS, Centre de Recherche en Psychologie et Neurosciences (CRPN), Marseille, France
| | - Jacques Léonard
- Aix Marseille Univ, CNRS, Centre de Recherche en Psychologie et Neurosciences (CRPN), Marseille, France
| | - Maya Elzière
- Aix Marseille Univ, CNRS, Centre de Recherche en Psychologie et Neurosciences (CRPN), Marseille, France
- Centre des Vertiges, European Hospital, Marseille, France
| | - Christophe Lopez
- Aix Marseille Univ, CNRS, Centre de Recherche en Psychologie et Neurosciences (CRPN), Marseille, France
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Suica Z, Behrendt F, Ziller C, Gäumann S, Schädler S, Hilfiker R, Parmar K, Gerth HU, Bonati LH, Schuster-Amft C. Comparative effectiveness of non- pharmacological treatments in patients with persistent postural-perceptual dizziness: a systematic review and effect sizes analyses. Front Neurol 2024; 15:1426566. [PMID: 39070052 PMCID: PMC11272556 DOI: 10.3389/fneur.2024.1426566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 07/01/2024] [Indexed: 07/30/2024] Open
Abstract
Introduction The patho-psychological mechanisms of persistent postural-perceptual dizziness (PPPD) appear to be very complex, and a multimodal, multidisciplinary approach is suggested for treating patients with PPPD. The aim of this review was to provide a comprehensive overview of non-pharmacological treatments and their comparative effectiveness in patients with PPPD. Methods Scopus, Web of Science, PsycINFO, Medline, Embase, CINAHL, Cochrane Library and ClinicalTrials.gov were searched in April 2022 with a search update in August 2023. Only randomized controlled trials (RCTs) were included. There was no restrictions regarding publication date. Two reviewers independently identified eligible trials, extracted data, double-checked all extracted information from the included articles and assessed the risk of bias using the Cochrane risk of bias tool. A qualitative synthesis was performed, considering methodological heterogeneity between trials. Finally, an effect size analysis was performed for each treatment comparison. The standardized mean differences (SMD) and their corresponding 95% confidence intervals (95%CI) were calculated for each trial using Review Manager 5.4. Results Thirteen RCTs (618 patients with moderate or mild dizziness) out of 1,362 references describing seven different non-pharmacological comparisons were selected. Nine trials included patients with PPPD, and four trials included patients with functional dizziness. The trials used different interventions that were classified as: (1) psychotherapeutic interventions (cognitive behavioral therapy, patient education), (2) physiotherapeutic interventions/training (vestibular rehabilitation, optokinetic stimulation), (3) stimulation procedures (vagus nerve stimulation, transcranial direct current stimulation) and (4) device application (visual desensitization using personalized glasses). However, most of the trials investigated the effects of single interventions, rather than multimodal interdisciplinary treatment of patients with PPPD. The SMD for dizziness handicap and severity was between 0.04 and 0.52 in most trials. In one trial using visual desensitization, the SMD was 1.09 (strong effect on the severity of dizziness) and 1.05 (strong effect on dizziness handicap). Discussion Several individual interventions have shown benefits in the treatment of patients with PPPD with small to moderate effects. However, the multimodal treatment or a combination of vestibular rehabilitation with visual desensitization, cognitive behavioral therapy including patient education, and medication support should be further investigated. Future trials should include a large sample size with severe dizziness, and provide a longer follow-up period. Clinical trial registration PROSPERO CRD42022320344.
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Affiliation(s)
- Zorica Suica
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
| | - Frank Behrendt
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
- School of Engineering and Computer Science, Bern University of Applied Sciences, Burgdorf, Switzerland
| | - Carina Ziller
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
| | - Szabina Gäumann
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
| | | | | | - Katrin Parmar
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
- Translational Imaging in Neurology (ThINk) Basel, Departments of Head, Spine and Neuromedicine and Biomedical Engineering, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Hans Ulrich Gerth
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
- Department of Medicine, University Hospital Münster, Münster, Germany
| | - Leo H. Bonati
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
- Stroke Center and Department of Neurology, University Hospital Basel, Basel, Switzerland
- Department of Clinical Research, University of Basel, Basel, Switzerland
| | - Corina Schuster-Amft
- Research Department, Reha Rheinfelden, Rheinfelden, Switzerland
- School of Engineering and Computer Science, Bern University of Applied Sciences, Burgdorf, Switzerland
- Department for Sport, Exercise, and Health, University of Basel, Basel, Switzerland
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Madrigal J, Herrón-Arango AF, Bedoya MJ, Cordero Chen J, Castillo-Bustamante M. Persistent Challenges: A Comprehensive Review of Persistent Postural-Perceptual Dizziness, Controversies, and Clinical Complexities. Cureus 2024; 16:e60911. [PMID: 38910644 PMCID: PMC11193666 DOI: 10.7759/cureus.60911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/23/2024] [Indexed: 06/25/2024] Open
Abstract
Persistent postural-perceptual dizziness (PPPD) is a chronic and disabling disorder characterized by persistent dizziness, unsteadiness, and imbalance. It often arises without an identifiable cause and is exacerbated by upright posture, active or passive movement, and exposure to moving or complex visual stimuli. This complex pathophysiology and the psychological dimensions of its symptomatology pose a significant challenge to clinicians. PPPD presents diagnostic challenges and a lack of standardized treatment options, underscoring the need for multidisciplinary approaches encompassing pharmacotherapy, vestibular rehabilitation, and psychological interventions for effective management. Bridging the gaps in understanding PPPD requires collaborative efforts across disciplines, emphasizing integrated research approaches and patient support networks to enhance care and improve outcomes. This review explores the challenges, controversies, and clinical complexities of PPPD, highlighting the importance of a patient-centered approach.
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Affiliation(s)
- Jorge Madrigal
- Otoneurology, Centro de Vértigo y Mareo, Mexico City, MEX
| | | | - Maria J Bedoya
- Otolaryngology, Universidad Pontificia Bolivariana, Medellín, COL
| | - Jairo Cordero Chen
- Otolaryngology, Hospital Dr. Tony Facio Castro, Caja Costarricense de Seguro Social, Limón, CRI
| | - Melissa Castillo-Bustamante
- Otoneurology, Centro de Vértigo y Mareo, Mexico City, MEX
- Medicine, Universidad Pontificia Bolivariana, Medellín, COL
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Dunlap PM, Alradady FA, Costa CM, Delitto A, Terhorst L, Sparto PJ, Furman JM, Marchetti GF, Staab JP, Chueh J, Whitney SL. The Psychometric Properties of the 9-Item Vestibular Activities Avoidance Instrument. Phys Ther 2023; 103:pzad094. [PMID: 37459243 DOI: 10.1093/ptj/pzad094] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 04/24/2023] [Accepted: 07/02/2023] [Indexed: 12/29/2023]
Abstract
OBJECTIVE The purpose of this study was to establish the psychometric properties of the 9-Item Vestibular Activities Avoidance Instrument (VAAI-9), a patient-reported outcome measure developed to identify fear avoidance beliefs in persons with vestibular disorders. METHODS This prospective cohort study included 100 participants 18 years and older seeking care at a balance disorders clinic for dizziness. Participants completed the VAAI-9, the Dizziness Handicap Inventory (DHI), and other patient-reported outcomes at the initial visit and the 3-month follow-up. To measure test-retest reliability, the VAAI-9 was completed again 5 days after the initial visit and was analyzed using a 2-way mixed ICC for absolute agreement. Internal consistency was determined using the Cronbach alpha. The Spearman correlation coefficient was used to assess convergent validity of the VAAI-9 with other outcomes. Receiver operating characteristic curves were used to identify baseline VAAI-9 cutoff scores for those who reported mild (DHI ≤ 30) or moderate or severe (DHI > 30) perceived disability at the 3-month follow-up. RESULTS The mean age of the study cohort was 49 (SD = 16) years; 73 (73%) were women. Seventy-one participants completed the 5-day follow-up, and 68 completed the 3-month follow-up. The VAAI-9 demonstrated excellent internal consistency (α = 0.91) and test-retest reliability (ICC = 0.90). Baseline VAAI-9 scores had moderate to strong associations with other outcome measures at baseline and 3 months. A baseline VAAI-9 score of 26 or higher had a sensitivity of 80.6% and a specificity of 78.4% for identifying a DHI score of >30 at 3 months (area under the curve = 0.86). CONCLUSIONS The results provide evidence of excellent reliability and validity for the 9-item VAAI in persons with vestibular disorders. A baseline VAAI-9 score of ≥26 identified individuals at risk of persistent moderate to severe disability due to dizziness. IMPACT Initial levels of fear avoidance beliefs measured using the VAAI-9 provided important prognostic information about outcomes for persons with vestibular symptoms.
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Affiliation(s)
- Pamela M Dunlap
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Fai A Alradady
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Anthony Delitto
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Lauren Terhorst
- School of Health and Rehabilitation Sciences Data Center and Department of Occupational Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Patrick J Sparto
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Joseph M Furman
- Department of Otolaryngology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Gregory F Marchetti
- Department of Physical Therapy, Duquesne University, Pittsburgh, Pennsylvania, USA
| | - Jeffrey P Staab
- Departments of Psychiatry and Psychology and Otorhinolaryngology - Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Jasmine Chueh
- School of Health Professions, Stony Brook University, Stony Brook, New York, USA
| | - Susan L Whitney
- Department of Physical Therapy, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Steensnaes MH, Knapstad MK, Goplen FK, Berge JE. Persistent Postural-Perceptual Dizziness (PPPD) and quality of life: a cross-sectional study. Eur Arch Otorhinolaryngol 2023; 280:5285-5292. [PMID: 37256345 PMCID: PMC10620245 DOI: 10.1007/s00405-023-08040-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 05/22/2023] [Indexed: 06/01/2023]
Abstract
PURPOSE To determine if Persistent Postural-Perceptual Dizziness (PPPD) is associated with increased burden of dizziness and quality of life. Secondly, if this association is present, to determine if it can be explained by differences in anxiety and/or depression between patients with PPPD and dizzy patients without PPPD. METHODS Cross-sectional study performed in an outpatient otolaryngology clinic, including patients 18-67 years referred from primary care for suspected vestibular disease with chronic dizziness. Patients underwent clinical examination and completed the following questionnaires: Dizziness Handicap Inventory (DHI), RAND-12 Health Status Inventory and Hospital Anxiety and Depression Scale (HADS). Scores in DHI and RAND-12 were compared between patients diagnosed with PPPD and patients without PPPD. RESULTS 202 patients were included. 150 (74%) were women and 37 (18%) were diagnosed with PPPD. Patients in the PPPD group had increased burden of dizziness and reduced quality of life (QoL) as shown by a higher mean DHI score (49.2 vs. 30.8; p < 0.001) and reduced mean RAND-12 physical score (39.0 vs. 44.6; p = 0.004). After adjusting for age, gender and HADS, PPPD was associated with a 15.3 (p < 0.001) points increase in DHI score, and a 4.0 (p = 0.020) points decrease in RAND-12 physical score. CONCLUSION Patients with PPPD have a higher burden of dizziness and a lower physical health-related quality of life (HRQoL) compared to other dizzy patients. The difference was evident also after adjusting for anxiety and depression, illustrating how PPPD is a different entity than these common psychiatric conditions.
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Affiliation(s)
| | - Mari Kalland Knapstad
- Department of Otorhinolaryngology, Head and Neck Surgery, Haukeland University Hospital, Bergen, Norway
- Department of Health and Functioning, Western Norway University of Applied Sciences, Bergen, Norway
| | - Frederik Kragerud Goplen
- Department of Otorhinolaryngology, Head and Neck Surgery, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Jan Erik Berge
- Department of Otorhinolaryngology, Head and Neck Surgery, Haukeland University Hospital, Bergen, Norway.
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.
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Jeong SS, Simpson KN, Johnson JM, Rizk HG. Assessment of the Cost Burden of Episodic Recurrent Vestibular Vertigo in the US. JAMA Otolaryngol Head Neck Surg 2022; 148:2797389. [PMID: 36227614 PMCID: PMC9562102 DOI: 10.1001/jamaoto.2022.3247] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/26/2022] [Indexed: 01/25/2023]
Abstract
Importance Understanding of the economic burden of recurrent vestibular causes of vertigo and areas contributing to the cost is needed. Objective To analyze and identify the factors contributing to the direct medical costs associated with Ménière disease (MD), vestibular migraine (VM), and benign paroxysmal positional vertigo (BPPV). Design, Setting, and Participants This economic evaluation used MarketScan Commercial Database claims data from 2018 to identify the non-Medicare patient population with the diagnoses of MD, VM, or BPPV. Data were analyzed January 1 to December 31, 2018. Main Outcomes and Measures The total direct medical costs associated with MD, VM, and BPPV. Results A total of 53 210 patients (mean [SD] age, 47.8 [11.8] years; 67.6% female) were included in this study, with 34 738 normal comparisons. There were 5783 (10.9%) patients with MD, 3526 (6.6%) patients with VM, and 43 901 (82.5%) patients with BPPV in the data set. Mean age and sex were different across the different vestibular disorders. Across the different groups, patients with no comorbidities or with a Charlson Comorbidity Index score of zero ranged from 98.4% to 98.8%. Around 5% of patients were hospitalized with inpatient stay lasting between 4.6 and 5.2 days. After adjusting for age, sex, and comorbidities, there were large differences in mean adjusted annual payments/direct costs across the different groups (MD, $9579; VM, $11 371; and BPPV, $8247). This equated to a total incremental estimated cost of $60 billion compared with the normal population. The number of outpatient brain magnetic resonance imaging or computed tomography scans per patient ranged anywhere from 1 to 20, while the number of inpatient brain magnetic resonance imaging or computed tomography scans per patient ranged anywhere from 1 to 6. A heat map of the total cost expenditure indicated that the costs were concentrated around the Midwest, Lake Michigan, and the East Coast. Conclusions and Relevance In this economic evaluation, the 3 most common causes of recurrent vertigo-MD, VM, and BPPV-had considerable medical costs associated with them. Extraneous imaging orders and vestibular testing are factors to consider for cost reduction. However, further research and widespread education is needed to optimize the diagnosis, treatment, and care of patients presenting with vestibular disorders or dizziness.
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Affiliation(s)
- Seth S. Jeong
- Department of Otolaryngology–Head and Neck Surgery, College of Medicine, Medical University of South Carolina, Charleston
- Albert Einstein College of Medicine, Bronx, New York
| | - Kit N. Simpson
- Comparative Effectiveness Data Analytic Resource Core, College of Health Professions, Medical University of South Carolina, Charleston
| | - Jada M. Johnson
- Comparative Effectiveness Data Analytic Resource Core, College of Health Professions, Medical University of South Carolina, Charleston
| | - Habib G. Rizk
- Department of Otolaryngology–Head and Neck Surgery, College of Medicine, Medical University of South Carolina, Charleston
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Herdman D, Norton S, Murdin L, Frost K, Pavlou M, Moss-Morris R. The INVEST trial: a randomised feasibility trial of psychologically informed vestibular rehabilitation versus current gold standard physiotherapy for people with Persistent Postural Perceptual Dizziness. J Neurol 2022; 269:4753-4763. [PMID: 35397754 PMCID: PMC8994825 DOI: 10.1007/s00415-022-11107-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/23/2022] [Accepted: 03/25/2022] [Indexed: 11/29/2022]
Abstract
Background Persistent postural perceptual dizziness (PPPD) is a common and disabling functional neuro-vestibular disorder. We aimed to determine the feasibility and acceptability of conducting a randomised controlled trial of cognitive-behavioural therapy informed vestibular rehabilitation (INVEST intervention) designed for persistent dizziness. Methods A two-armed parallel groups randomised feasibility study of INVEST vs. a time-matched gold standard vestibular rehabilitation (VRT) control. Participants with PPPD were recruited from a specialist vestibular clinic in London, UK. Participants were individually randomised using a minimisation procedure with allocation concealment. Measures of feasibility and clinical outcome were collected and assessed at 4 months. Results Forty adults with PPPD were randomised to six sessions of INVEST (n = 20) or gold standard VRT (n = 20). Overall, 59% of patients screened met the inclusion criteria, of which 80% enrolled. Acceptability of INVEST, as assessed against the theoretical framework of acceptability (TFA), was excellent and 80% adhered to all 6 sessions. There were small to moderate treatment effects in favour of INVEST across all measures, including dizziness handicap, negative illness perceptions, symptom focussing, fear avoidance, and distress (standardised mean difference [SMD]g = 0.45; SMDg = 0.77; SMDg = 0.56; SMDg = 0.50, respectively). No intervention-related serious adverse events were reported. Conclusions The study results give strong support for the feasibility of a full-scale trial. Both arms had high rates of recruitment, retention, and acceptability. There was promising support of the benefits of integrated cognitive-behavioural therapy-based vestibular rehabilitation compared to gold standard vestibular rehabilitation. The study fulfilled all the a-priori criteria to advance to a full-scale efficacy trial. Trial registration number ISRCTN10420559.
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Affiliation(s)
- David Herdman
- Health Psychology, Institute of Psychiatry Psychology and Neuroscience, King's College London, Guy's Hospital Campus, Great Maze Pond, London, SE1 9RT, UK
- St George's University Hospitals NHS Foundation Trust, London, UK
| | - Sam Norton
- Health Psychology, Institute of Psychiatry Psychology and Neuroscience, King's College London, Guy's Hospital Campus, Great Maze Pond, London, SE1 9RT, UK
- Centre for Rheumatic Diseases, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Louisa Murdin
- Guy's and St, Thomas' NHS Foundation Trust, London, UK
- Ear Institute, University College London, London, UK
| | - Kate Frost
- St George's University Hospitals NHS Foundation Trust, London, UK
| | - Marousa Pavlou
- Centre of Human and Applied Physiological Sciences, King's College London, London, UK
| | - Rona Moss-Morris
- Health Psychology, Institute of Psychiatry Psychology and Neuroscience, King's College London, Guy's Hospital Campus, Great Maze Pond, London, SE1 9RT, UK.
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