[1] Univ Med Ctr Rotterdam, Erasmus MC Sophia Childrens Hosp, Ctr Pediat Dermatol, Ctr Rare Skin Dis,Dept Dermatol,Vasc Anomaly Ctr E, Rotterdam, Netherlands
[2] Mosa Grp, ERN SKIN, Rotterdam, Netherlands
[3] VASCA Grp, ERN VASCERN, Rotterdam, Netherlands
[4] Univ Med Ctr Utrecht, Wilhelmina Childrens Hosp, UMC Utrecht Ctr Vasc Anomalies, Dept Dermatol, Utrecht, Netherlands
[5] Univ Med Ctr Utrecht, Wilhelmina Childrens Hosp, Dept Pediat Cardiol, Utrecht, Netherlands
[6] Univ Med Ctr Rotterdam, Erasmus MC Sophia Childrens Hosp, Ctr Rare Skin Dis,Dept Intens Care & Pediat Surg, Vasc Anomaly Ctr Erasmus MC Rotterdam, Rotterdam, Netherlands
[7] Univ Amsterdam, Dept Emma Childrens Hosp, Amsterdam UMC Locat, Amsterdam, Netherlands
[8] Univ Med Ctr Rotterdam, Erasmus MC Sophia Childrens Hosp, Ctr Rare Skin Dis,Dept Pediat Hemato Oncol, Vasc Anomaly Ctr Erasmus MC Rotterdam, Rotterdam, Netherlands
[9] Radboud Univ Nijmegen, Radboud Inst Hlth Sci, Dept Pharmacol & Toxicol, Med Ctr, Nijmegen, Netherlands
[10] Univ Med Ctr Rotterdam, Erasmus MC Sophia Childrens Hosp, Dept Child & Adolescent Psychol Psychiat, Rotterdam, Netherlands
[11] Univ Med Ctr Utrecht, Wilhelmina Childrens Hosp, UMC Utrecht Ctr Vasc Anomalies, Dept Plast Surg, Utrecht, South Africa
[12] Univ Amsterdam, Dept Reconstruct & Hand Surg, Amsterdam UMC, Amsterdam, Netherlands
[13] Univ Med Ctr Utrecht, Wilhelmina Childrens Hosp, Dept Surg, Utrecht, Netherlands
[14] Univ Med Ctr Rotterdam, Erasmus MC Sophia Childrens Hosp, Ctr Pediat Dermatol, Dept Dermatol, Doctor Molewaterplein 40, NL-3015 GD Rotterdam, Netherlands