Authors : g castanet-a labergue-f lemoine

Authors : beatriz ungerbimczok-thomas kosian-volker kottke-christian hertel-johannes rauschnabel

Authors : paraskevi i gkika-nikos krigas-george menexes-ilias g eleftherohorinos-eleni maloupa

Authors : michel e hendrickx-david serrano

Authors : roma durak-beata borowiaksobkowiak

Authors : yb yang-jd yau