1 Saverio Bellizzi, MD, MSc, PhD, is a Consulting Medical Epidemiologist, Geneva, Switzerland. Catello M. Panu Napodano, MD, is an Infectious Diseases Specialist, Unit of Infectious Diseases; and Liliana Lorettu, MD, is a Psychiatrist and Chief, Psychiatric Clinic, and Professor of Psychiatry; both in the Department of Medical, Surgical and Experimental Sciences, University of Sassari, Sassari, Italy. Giuseppe Pichierri, MD, is a Medical Microbiologist, Microbiology Unit, Kingston Hospital NHS Foundation Trust, Kingston Upon Thames, United Kingdom. Quique Bassat, MD, MSc, PhD, is a Medical Epidemiologist, affiliated with the Barcelona Institute for Global Health (ISGlobal), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain; Centro de Investigação em Saúde de Manhiça, Maputo, Mozambique; ICREA, Barcelona, Spain; Pediatrics Department, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain; Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública, Madrid, Spain.