[1] Dasman Diabet Inst, Kuwait, Kuwait
[2] Kuwait Univ, Fac Med, Kuwait, Kuwait
[3] Kuwait Univ, Fac Publ Hlth, Kuwait, Kuwait
[4] Florida Int Univ, Herbert Wertheim Coll Med, Med & Populat Hlth Sci Res, Miami, FL 33199 USA
[5] Univ Tromso, Arctic Univ Norway, Dept Community Med, Fac Hlth Sci, Tromso, Norway
[6] Canc Registry Norway, Inst Populat Based Canc Res, Dept Res, Oslo, Norway
[7] Karolinska Inst, Dept Med Epidemiol & Biostat, Stockholm, Sweden
[8] Folkhalsan Res Ctr, Genet Epidemiol Grp, Helsinki, Finland
[9] Minist Hlth, Primary Hlth Care Dept, Kuwait, Kuwait