1. mediX Zurich; General Internal Medicine; Mattenhof 2 Zurich ZH Switzerland 8051
2. University of Zurich; Epidemiology, Biostatistics and Prevention Institute; Zurich Switzerland
3. ISGlobal; Barcelona Spain 08003
4. Universitat Pompeu Fabra (UPF); Barcelona Spain
5. CIBER Epidemiologia y Salud Publica (CIBERESP); Barcelona Spain