1. Department of Clinical Epidemiology and Biostatistics, Faculty of Medicina, Pontificia Universidad Javeriana, Ed. Hospital Universitario San Ignacio, Carrera 7 N° 40–62–piso 2, Bogotá 110231, Colombia
2. Population Based Cancer Registry of Metropolitan Area of Bucaramanga, Universidad Autónoma de Bucaramanga, Calle 157 #14 55, Floridablanca 68276, Colombia
3. MSD Colombia, Calle 125 a 53–45 piso 8, Complejo Empresarial Colpatria, Bogotá 111121, Colombia
4. MSD Medical Affairs Latin America, Cazadores de Coquimbo 2841/57, Munro, Vicente López, Buenos Aires B1605AZE, Argentina