Authors: Airi Värnik; Merike Sisask; Peeter Värnik; Jing Wu; Kairi Kõlves; Ella Arensman; Margareth Maxwell; Thomas Reisch; Ricardo Gusmão; Chantal van Audenhove; Gert Scheerder; Christina M van der Feltz-Cornelis; Claire Coffey; Maria Kopp; Andras Szekely; Saska Roskar; Ulrich Hegerl Journal: BMC Public Health Date: 2011-01-29 Impact factor: 3.295