[1] Department of Clinical Chemistry,
[2] University of Turku,undefined
[3] Kiinanmyllynkatu 4–8,undefined
[4] 20520 Turku,undefined
[5] Finland,undefined
[6] Department of Dermatology,undefined
[7] University of Turku,undefined
[8] Kiinanmyllynkatu 4–8,undefined
[9] 20520 Turku,undefined
[10] Finland,undefined
[11] Department of Clinical Chemistry,undefined
[12] University Hospital of Kuopio,undefined
[13] PL 1777,undefined
[14] 70211 Kuopio,undefined
[15] Finland,undefined