Catholic University of Congo;
Kinshasa;
Democratic Republic of Congo;
Department of Family Medicine and Primary Health Care;
Protestant University;
Congo;
Democratic Republic of Congo;
Department of Biostatistics and Epidemiology;
Lomo University of Research;
Kinshasa;
Democratic Republic of Congo;
Department of Internal Medicine;
University Simon Kimbangu;
Congo;
Democratic Republic of Congo;
Department of Internal Medicine;
University of Kinshasa;
Kinshasa;
Democratic Republic of Congo;