[1] Univ Med Ctr Rotterdam, Erasmus MC, Div Endocrinol, Internal Med, NL-3000 CA Rotterdam, Netherlands
[2] Univ Med Ctr Rotterdam, Erasmus MC, Obes Ctr, CGG, NL-3000 CA Rotterdam, Netherlands
[3] Univ Med Ctr Rotterdam, Erasmus MC, Epidemiol, NL-3000 CA Rotterdam, Netherlands
[4] Univ Med Ctr Rotterdam, Erasmus MC, Pediat, NL-3000 CA Rotterdam, Netherlands
[5] Univ Med Ctr Rotterdam, Erasmus MC, Pulmonol, NL-3000 CA Rotterdam, Netherlands
[6] St Franciscus Gasthuis, Pulmonol, NL-3045 PM Rotterdam, Netherlands
[7] Univ Groningen, Univ Med Ctr Groningen, Endocrinol, NL-9700 RB Groningen, Netherlands