Authors
Aneka Klavina
Institute of Occupational Safety and Environmental Health, Riga Stradiņš University, Riga, Latvia
Maija Kalpisa
Institute of Occupational Safety and Environmental Health, Riga Stradiņš University, Riga, Latvia
Linda Paegle
Institute of Occupational Safety and Environmental Health, Riga Stradiņš University, Riga, Latvia
Lasma Akulova
Institute of Occupational Safety and Environmental Health, Riga Stradiņš University, Riga, Latvia
Ivars Vanadzins
Institute of Occupational Safety and Environmental Health, Riga Stradiņš University, Riga, Latvia