University of Tampere, Tampere, Finland
Tampere University Hospital, Tampere, Finland
HUS, Helsinki, Finland
Nuorisotutkimusasema: Tampereen yliopisto, Äänekoski, Finland
THL, Oulu, Finland
University of Tampere, Tampere, Pirkanmaa, Finland
Hatanpää City Hospital, Tampere, Finland
Tampere University Hospital, Tampere, Southern Finland, Finland
Tampere University, Tampere, Southern Finland, Finland
Väestöliitto Seksuaaliterveysklinikka, Helsinki, Finland
Nuorten rokotetutkimukset, Vaasa, Finland
VL-Medi Oy/Pikkuklinikka, Oulu, Finland
University of Malawi, College of Medicine, Mangochi, Malawi
University of Malawi, College of Medicine, Mangochi, Malawi
Turku University Hospital, Turku, Finland
Helsinki Central Hospital, Helsinki, Finland
Central Finland Hospital District, Jyväskylä, Finland