1. Department of Biological Sciences; University of Calgary; 2500 University Drive NW Calgary AB Canada T2N 1N4
2. Division of Genetics and Physiology, Vesilinnantie; Department of Biological Sciences; University of Turku; 20014 Turku Finland
3. Redpath Museum and Department of Biology; McGill University; 859 Sherbrooke Street West Montreal QC Canada H2J 3G5
4. Département de Biologie; Institut de Biologie Intégrative et des Systèmes; Université Laval; 1030 avenue de la Médecine Québec QC Canada G1V 0A6