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Muacevic A, Adler JR, Sano C, Ohta R. A Case of Pseudoappendicitis Caused by Campylobacter Enteritis Diagnosed by Gram Staining and Direct Microscopic Investigation of Stool Specimen. Cureus 2023; 15:e33980. [PMID: 36824554 PMCID: PMC9941024 DOI: 10.7759/cureus.33980] [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: 01/19/2023] [Indexed: 01/21/2023] Open
Abstract
Campylobacter infection may progress to a systemic infection through the intestinal tract. In many cases, symptoms are within the self-limiting range and do not require multidisciplinary treatment. In contrast, systemic infections in younger patients may be more severe and require hospitalization. Many differential diagnoses are considered when Campylobacter infection presents with severe abdominal pain, and the initial diagnosis may be difficult. We encountered a patient with Campylobacter infection who presented with acute-onset fever and general malaise. We diagnosed the case in a resource-poor setting by performing Gram staining of stool samples and fecal microscopy. This case suggests that a diagnosis of Campylobacter pseudoappendicitis can be made efficiently by combining various stool tests rather than waiting for culture results.
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Green MS, Schwartz N, Peer V. Sex differences in campylobacteriosis incidence rates at different ages - a seven country, multi-year, meta-analysis. A potential mechanism for the infection. BMC Infect Dis 2020; 20:625. [PMID: 32842973 PMCID: PMC7445732 DOI: 10.1186/s12879-020-05351-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 08/16/2020] [Indexed: 01/29/2023] Open
Abstract
Background There is evidence that males have higher incidence rates (IR) of campylobacteriois than females. The objectives of this study were to determine whether these observations differ between age groups and are consistent over different countries and during different time periods. Methods We obtained data on IRs of campylobacteriosis by sex and age group over a period of 11–26 years from seven countries. Male to female incidence rate ratios (IRR) were computed by age group, country and time period. For each age group, we used meta-analytic methods to combine the IRRs. Sensitivity analysis was used to test whether the results are robust to differences between countries and time periods. Meta-regression was conducted to estimate the different effects of age, country, and time period on the IRR. Results In the age groups < 1, 1–4, 5–9, 10–14, 15–44, 45–64 and 65+ years old, the pooled IRRs (with 95% CI) were 1.31 (1.26–1.37), 1.34 (1.31–1.37), 1.35 (1.32–1.38), 1.73 (1.68–1.79), 1.10 (1.08–1.12), 1.19(1.17–1.21) and 1.27 (1.24–1.30), respectively. For each age group, the excess campylobacteriosis IRs in males differed at different age groups. However, despite some quantitative differences between countries, the excess was consistently present over long time-periods. In meta-regression analysis, age group was responsible for almost all the variation in the IRRs. Conclusions The male predominance in campylobacteriosis IRs starts in infancy. This suggests that this is due, at least in part, to physiological or genetic differences and not just behavioural factors. These findings can provide clues to the mechanisms of the infection and could lead to more targeted treatments and vaccine development.
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Affiliation(s)
- Manfred S Green
- School of Public Health, University of Haifa, Abba Khoushy 199, Mount Carmel, 3498838, Haifa, Israel.
| | - Naama Schwartz
- School of Public Health, University of Haifa, Abba Khoushy 199, Mount Carmel, 3498838, Haifa, Israel
| | - Victoria Peer
- School of Public Health, University of Haifa, Abba Khoushy 199, Mount Carmel, 3498838, Haifa, Israel
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Rokney A, Valinsky L, Vranckx K, Feldman N, Agmon V, Moran-Gilad J, Weinberger M. WGS-Based Prediction and Analysis of Antimicrobial Resistance in Campylobacter jejuni Isolates From Israel. Front Cell Infect Microbiol 2020; 10:365. [PMID: 32903472 PMCID: PMC7438411 DOI: 10.3389/fcimb.2020.00365] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 06/15/2020] [Indexed: 12/03/2022] Open
Abstract
Rapid developments in the field of whole genome sequencing (WGS) make in silico antimicrobial resistance (AMR) a target within reach. Campylobacter jejuni is a leading cause of foodborne infections in Israel with increasing rates of resistance. We applied WGS analysis to study the prevalence and genetic basis of AMR in 263 C. jejuni human and veterinary representative isolates retrieved from a national collection during 2003–2012. We evaluated the prediction of phenotypic AMR from genomic data. Genomes were screened by the NCBI AMRFinderPlus and the BioNumerics tools for acquired AMR genes and point mutations. The results were compared to phenotypic resistance determined by broth microdilution. The most prevalent resistant determinants were the multi-drug efflux transporter gene cmeABC (100%), the tetracycline resistance tet(O) gene (82.1%), the quinolone resistance gyrA T861 point mutation (75.7%), and the aadE streptomycin resistance gene. A variety of 12 known β lactam resistance genes (blaOXA variants) were detected in 241 (92%) isolates, the most prevalent being blaOXA−193, blaOXA−461, and blaOXA−580 (56, 16, and 7%, respectively). Other aminoglycoside resistance genes and the macrolide resistance point mutation were rare (<1%). The overall correlation rate between WGS-based genotypic prediction and phenotypic resistance was 98.8%, sensitivity, specificity, positive, and negative predictive values being 98.0, 99.3, 99.1, and 98.5%, respectively. wgMLST-based phylogeny indicated a high level of clonality and clustering among the studied isolates. Closely related isolates that were part of a genetic cluster (single linkage distance ≤ 15 alleles) based on wgMLST phylogeny mostly shared a homogenous AMR determinant profile. This was observed in 18 of 20 (90.0%) clusters within clonal complex-21, suggesting clonal expansion of resistant isolates. Strong association to lineage was noted for the aadE gene and the various blaOXA genes. High resistance rates to tetracycline and quinolones and a low resistance rate to macrolides were detected among the Israeli C. jejuni isolates. While a high genotypic-phenotypic correlation was found, some resistance phenotypes could not be predicted by the presence of AMR determinants, and particularly not the level of resistance. WGS-based prediction of antimicrobial resistance in C. jejuni requires further optimization in order to integrate this approach in the routine workflow of public health laboratories for foodborne surveillance.
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Affiliation(s)
- Assaf Rokney
- Central Government Laboratories, Israel Ministry of Health, Jerusalem, Israel
| | - Lea Valinsky
- Central Government Laboratories, Israel Ministry of Health, Jerusalem, Israel
| | | | - Noa Feldman
- Central Government Laboratories, Israel Ministry of Health, Jerusalem, Israel
| | - Vered Agmon
- Central Government Laboratories, Israel Ministry of Health, Jerusalem, Israel
| | - Jacob Moran-Gilad
- Department of Health Systems Management, School of Public Health, Faculty of Health Sciences, Ben Gurion University of the Negev, Be'er Sheva, Israel
| | - Miriam Weinberger
- Infectious Diseases Unit, Shamir (Assaf Harofeh) Medical Center, Zerifin, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Beier RC, Byrd JA, Caldwell D, Andrews K, Crippen TL, Anderson RC, Nisbet DJ. Inhibition and Interactions of Campylobacter jejuni from Broiler Chicken Houses with Organic Acids. Microorganisms 2019; 7:E223. [PMID: 31366094 PMCID: PMC6722939 DOI: 10.3390/microorganisms7080223] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 07/19/2019] [Accepted: 07/27/2019] [Indexed: 12/11/2022] Open
Abstract
Campylobacter jejuni is a bacterium that causes major diarrheal disease worldwide and is also one of the top five foodborne pathogens encountered in the United States. Poultry is a major source of C. jejuni, and a high-risk factor for contracting campylobacteriosis. Organic acids are used in the United States during food animal processing for removal of bacterial contamination from animal carcasses. Six organic acids were evaluated in inhibition studies of 96 C. jejuni strains obtained from shoe covers used in broiler chicken houses at different poultry farms in several states by determining the susceptibilities of the C. jejuni strains, along with the pH values at the molar minimum inhibitory concentrations (MICMs). The undissociated and dissociated organic acid concentrations were calculated at the MICMs with the Henderson-Hasselbalch equation. The results for the 96 C. jejuni strains were treated similarly for each different organic acid. Campylobacter jejuni inhibition did correlate with the dissociated organic acids, but did not correlate with pH or with the undissociated organic acids. When the concentrations of dissociated organic acids decreased, the C. jejuni strains were not disinfected. A carcass wash using organic acids should have the concentration of dissociated acid species carefully controlled. It is suggested to maintain a dissociated acid concentration for propionic, l-lactic, formic, citric, butyric, and acetic acids at 24, 40, 36, 21, 23, and 25 mM, respectively, and at these dissociated organic acid levels an acid wash would be expected to remove or inhibit 97% or more of the C. jejuni bacteria studied here. However, studies must be undertaken to confirm that the suggested concentrations of dissociated organic acids are adequate to remove C. jejuni bacteria in the field vs. the laboratory. Due to propionate, l-lactate, formate, butyrate, and acetate being utilized by C. jejuni, these organic acids may not be appropriate for use as a carcass wash to remove C. jejuni surface contamination. Of all tested organic acids, dissociated citric acid was the most efficient at inhibiting C. jejuni.
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Affiliation(s)
- Ross C Beier
- United States Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, TX 77845-4988, USA.
| | - J Allen Byrd
- United States Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, TX 77845-4988, USA
| | - Denise Caldwell
- United States Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, TX 77845-4988, USA
| | - Kathleen Andrews
- United States Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, TX 77845-4988, USA
| | - Tawni L Crippen
- United States Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, TX 77845-4988, USA
| | - Robin C Anderson
- United States Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, TX 77845-4988, USA
| | - David J Nisbet
- United States Department of Agriculture, Agricultural Research Service, Southern Plains Agricultural Research Center, Food and Feed Safety Research Unit, College Station, TX 77845-4988, USA
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Rokney A, Valinsky L, Moran-Gilad J, Vranckx K, Agmon V, Weinberger M. Genomic Epidemiology of Campylobacter jejuni Transmission in Israel. Front Microbiol 2018; 9:2432. [PMID: 30386311 PMCID: PMC6198274 DOI: 10.3389/fmicb.2018.02432] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 09/21/2018] [Indexed: 01/22/2023] Open
Abstract
Objectives: Campylobacter jejuni is responsible for 80% of Campylobacter infections in Israel, a country with a high incidence reaching 91/100,000 population. We studied the phylogeny, diversity and prevalence of virulence factors using whole genome sequencing (WGS) of a national sample of C. jejuni clinical, food, and animal isolates collected over a 10-year period (2003-2012). Methods: C. jejuni isolates (n = 263) were subject to WGS using Illumina sequencing (PE 250bpx2). Raw reads and de novo assemblies were analyzed with the BioNumerics whole genome MLST (wgMLST) pipeline. Reads were screened for 71 virulence genes by the SRST2 script. Allelic profiles were analyzed to create minimum spanning trees and allelic core distances were investigated to determine a reliable cutoff for strain determination. Results: wgMLST analysis of 263 C. jejuni isolates indicated significant diversity among the prevalent clonal complexes (CCs) with CC-21 and CC-353 being the most diverse, and CC-574 the most clonal. Within CC-21, sequence type (ST)-1359 created a separate clade. Human, poultry and bovine isolates clustered together across the different STs. Forty four percent of studied isolates were assigned to 29 genetic clusters. Temporal and geographical relatedness were found among the minority of clusters, while most phylogenetically associated cases appeared diffuse and unassociated epidemiologically. The majority of virulence factors were highly prevalent across the dataset and not associated with genotype, source of isolation or invasiveness. Conversely, all 13 genes associated with type VI secretion system (T6SS) were lineage-related and identified in only 18% of the isolates. T6SS was detected in 95.2% of ST-1359, a common type in Israel. Conclusions: wgMLST supported the assessment that poultry and cattle are likely food sources of infection in Israel. Substantial genetic clustering among C. jejuni isolates suggested multiple point source and diffuse outbreaks that were previously unreported in Israel. The high prevalence of T6SS among ST-1359 isolates is unique to Israel, and requires further investigation. This study exemplifies the importance of studying foodborne pathogens using advanced genomic approaches across the entire spectrum of One Health.
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Affiliation(s)
- Assaf Rokney
- Central Government Laboratories, Israel Ministry of Health, Jerusalem, Israel
| | - Lea Valinsky
- Central Government Laboratories, Israel Ministry of Health, Jerusalem, Israel
| | - Jacob Moran-Gilad
- Public Health Services, Israel Ministry of Health, Jerusalem, Israel.,Department of Health Policy and Management, Faculty of Health Sciences, School of Public Health, Ben-Gurion University of the Negev, Be'er-Sheva, Israel.,ESCMID Study Group for Genomic and Molecular Diagnostics, Basel, Switzerland
| | | | - Vered Agmon
- Central Government Laboratories, Israel Ministry of Health, Jerusalem, Israel
| | - Miriam Weinberger
- Infectious Diseases Unit, Assaf Harofeh Medical Center, Zerifin, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Rosenberg A, Weinberger M, Paz S, Valinsky L, Agmon V, Peretz C. Ambient temperature and age-related notified Campylobacter infection in Israel: A 12-year time series study. ENVIRONMENTAL RESEARCH 2018; 164:539-545. [PMID: 29609183 DOI: 10.1016/j.envres.2018.03.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 03/08/2018] [Accepted: 03/12/2018] [Indexed: 05/16/2023]
Abstract
BACKGROUND Campylobacter spp. are the leading cause of foodborne infection worldwide, with a seasonal disease peak that might be affected by temperature increase. We studied the relationship between ambient temperature and weekly notified Campylobacter spp.infections. METHODS Data on 29,762 laboratory-confirmed cases of Campylobacter infection for the period, January, 1999 to December, 2010 were retrieved from the Ministry of Health registry. To estimate the association between the number of weekly cases of Campylobacter infection and the national average temperature at lags 0-3 weeks, firstly, we used GAM models, and secondly two-segment piecewise linear Poisson regressions. The effect of temperature was adjusted for seasonality, long-term trends and holidays. RESULTS We found a J-shaped relationship between ambient temperature and notified Campylobacter spp. CASES For C. jejuni in all ages, the curve below the threshold was constant and the percent increase in cases for 1 °C above a threshold of 27 °C was 15.4% (95%CI: 6.7-24.1%). For ages 3-10 yr and > =26 yr the curve was constant below the threshold and positive above it; the percent increase in cases for 1 °C was 17.7%(95%CI: 6.0-29.4%) and 23.7%(95%CI: 11.6-35.8%), respectively. For ages 0-2 yr the curve was linear with no threshold and the percent increase for 1 °C was 5.1%(95%CI: 2.1-8.1%). For ages 11-25 yr the curve was always constant. Results for C. coli were similar. CONCLUSION Our findings indicate that higher temperatures throughout the year affect Campylobacter spp. morbidity, especially in younger children. This should be taken into consideration in public education and health system preparedness for temperature increases as a result of climate change.
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Affiliation(s)
- Alina Rosenberg
- School of Public Health, Epidemiology, Sackler School of Medicine, Tel Aviv University, Ramat-Aviv 61390, Tel Aviv P.O.B 39040, Israel.
| | - Miriam Weinberger
- Infectious Diseases Unit, Assaf Harofeh Medical Center, Zerifin 70300, Israel; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Shlomit Paz
- Haifa University, Geography, 199 Aba Khoushy Ave. Mount Carmel, Haifa 3498838, Israel.
| | - Lea Valinsky
- Central Government Laboratories, Israel Ministry of Health, Yakov Eliav St., Givat Shmuel, P.O.B. 34410, Jerusalem 91342, Israel.
| | - Vered Agmon
- Central Government Laboratories, Israel Ministry of Health, Yakov Eliav St., Givat Shmuel, P.O.B. 34410, Jerusalem 91342, Israel.
| | - Chava Peretz
- School of Public Health, Epidemiology, Sackler School of Medicine, Tel Aviv University, Ramat-Aviv 61390, Tel Aviv P.O.B 39040, Israel.
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Elhadidy M, Arguello H, Álvarez-Ordóñez A, Miller WG, Duarte A, Martiny D, Hallin M, Vandenberg O, Dierick K, Botteldoorn N. Orthogonal typing methods identify genetic diversity among Belgian Campylobacter jejuni strains isolated over a decade from poultry and cases of sporadic human illness. Int J Food Microbiol 2018; 275:66-75. [PMID: 29649751 DOI: 10.1016/j.ijfoodmicro.2018.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 02/08/2018] [Accepted: 04/02/2018] [Indexed: 11/30/2022]
Abstract
Campylobacter jejuni is a zoonotic pathogen commonly associated with human gastroenteritis. Retail poultry meat is a major food-related transmission source of C. jejuni to humans. The present study investigated the genetic diversity, clonal relationship, and strain risk-analysis of 403 representative C. jejuni isolates from chicken broilers (n = 204) and sporadic cases of human diarrhea (n = 199) over a decade (2006-2015) in Belgium, using multilocus sequence typing (MLST), PCR binary typing (P-BIT), and identification of lipooligosaccharide (LOS) biosynthesis locus classes. A total of 123 distinct sequence types (STs), clustered in 28 clonal complexes (CCs) were assigned, including ten novel sequence types that were not previously documented in the international database. Sequence types ST-48, ST-21, ST-50, ST-45, ST-464, ST-2274, ST-572, ST-19, ST-257 and ST-42 were the most prevalent. Clonal complex 21 was the main clonal complex in isolates from humans and chickens. Among observed STs, a total of 35 STs that represent 72.2% (291/403) of the isolates were identified in both chicken and human isolates confirming considerable epidemiological relatedness; these 35 STs also clustered together in the most prevalent CCs. A majority of the isolates harbored sialylated LOS loci associated with potential neuropathic outcomes in humans. Although the concordance between MLST and P-BIT, determined by the adjusted Rand and Wallace coefficients, showed low congruence between both typing methods. The discriminatory power of P-BIT and MLST was similar, with Simpson's diversity indexes of 0.978 and 0.975, respectively. Furthermore, P-BIT could provide additional epidemiological information that would provide further insights regarding the potential association to human health from each strain. In addition, certain clones could be linked to specific clinical symptoms. Indeed, LOS class E was associated with less severe infections. Moreover, ST-572 was significantly associated with clinical infections occurring after travelling abroad. Ultimately, the data generated from this study will help to better understand the molecular epidemiology of C. jejuni infection.
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Affiliation(s)
- Mohamed Elhadidy
- Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt; University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt.
| | - Hector Arguello
- Genomic and Animal Biotechnology, Department of Genetics, Veterinary Faculty, Universidad de Córdoba, 14047, Córdoba, Spain
| | - Avelino Álvarez-Ordóñez
- Department of Food Hygiene and Technology and Institute of Food Science and Technology, University of León, Spain
| | - William G Miller
- Produce Safety and Microbiology Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Albany, CA, USA
| | - Alexandra Duarte
- Laboratory of Food Microbiology and Food Preservation, Department of Food Safety and Food Quality, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Gent, Belgium; National Reference Laboratory for Campylobacter, Scientific Institute of Public Health (WIV-ISP), Scientific Service: Foodborne Pathogens, Juliette Wytsman Street 14, 1050 Brussels, Belgium
| | - Delphine Martiny
- National Reference Center for Campylobacter, Saint Pierre University Hospital, Brussels, Belgium; Department of Microbiology, LHUB-ULB, Pôle Hospitalier Universitaire de Bruxelles, Brussels, Belgium
| | - Marie Hallin
- National Reference Center for Campylobacter, Saint Pierre University Hospital, Brussels, Belgium; Department of Microbiology, LHUB-ULB, Pôle Hospitalier Universitaire de Bruxelles, Brussels, Belgium; Department of Molecular Diagnosis, LHUB-ULB, Pôle Hospitalier Universitaire de Bruxelles, Brussels, Belgium
| | - Olivier Vandenberg
- National Reference Center for Campylobacter, Saint Pierre University Hospital, Brussels, Belgium; Department of Microbiology, LHUB-ULB, Pôle Hospitalier Universitaire de Bruxelles, Brussels, Belgium; Center for Environmental Health and Occupational Health, School of Public Health, Université Libre de Bruxelles, Brussels, Belgium
| | - Katelijne Dierick
- National Reference Laboratory for Campylobacter, Scientific Institute of Public Health (WIV-ISP), Scientific Service: Foodborne Pathogens, Juliette Wytsman Street 14, 1050 Brussels, Belgium
| | - Nadine Botteldoorn
- National Reference Laboratory for Campylobacter, Scientific Institute of Public Health (WIV-ISP), Scientific Service: Foodborne Pathogens, Juliette Wytsman Street 14, 1050 Brussels, Belgium
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