[1] University of Colorado,Department of Ecology and Evolutionary Biology
[2] Philipps-Universität Marburg,Fachbereich Biologie, AG Allgemeine Ökologie und Tierökologie
[3] Michigan State University,W.K. Kellog, Biological Station
[4] Universität Basel,Botanisches Institut
[5] University of Florida,Department of Zoology
[6] University of Jyväskylä,Konnevesi Research Station, Department of Biological and Environmental Science