1. Universidad Nacional de San Agustín de Arequipa, Arequipa 04000, Peru
2. Unidad de Revisiones Sistemáticas y Meta-Análisis, Tau-Relaped Group, Trujillo 13001, Peru
3. Escuela de Medicina, Universidad Peruana de Ciencias Aplicadas, Lima 15023, Peru
4. Facultad de Medicina Humana, Universidad de San Martín de Porres, Chiclayo 14012, Peru
5. Vicerrectorado de Investigación, Universidad Norbert Wiener, Lima 15046, Peru
6. Department of Microbiology, All India Institute of Medical Sciences, Gorakhpur 273001, India
7. Department of Community Medicine, School of Public Health, Postgraduate Institute of Medical Education and Research, Chandigarh 160012, India
8. Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu 44600, Nepal
9. Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pune 411018, India