In Europe, Stijn Baert, Jennifer Norga, Yannick Thuy and Marieke Van Hecke, researchers at Ghent University, measured comparable ratios in Belgium.
En Europa, Stijn Baert, Jennifer Norga, Yannick Thuy e Marieke van Hecke, investigadores da Universidade de Gante, mediron cocientes comparables en Bélxica.