Correction to: VEIN STEP: A Prospective, Observational, International Study to Assess Effectiveness of Conservative Treatments in Chronic Venous Disease
3 National Academy of Medical Sciences of Ukraine, Kiev, Ukraine.
4 Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
5 Honduras Medical Center, Tegucigalpa, Honduras.
6 Hospital Médica Sur Tlalpan, Mexico City, Mexico.
7 Centro Medico del Noroeste, San Luis Rio Colorado, Mexico.
8 Servier Affaires Médicales, Suresnes, France.
9 Fundación Santa Fe de Bogotá, Universidad de los Andes, Asociación Médica De Los Andes, Cra 9 # 116-20, Cons 910, Bogota, Colombia. cirugiavascular@yahoo.com.