1. Department of Animal Ecology; Evolutionary Biology Centre; Ageing Research Group; Uppsala University; Uppsala Sweden
2. Department of Ecology and Evolutionary Biology; University of Toronto; Toronto ON Canada
3. Department of Evolutionary Biology; Evolutionary Biology Centre; Ageing Research Group; Uppsala University; Uppsala Sweden
4. IFM Biology; AVIAN Behavioural Genomics and Physiology Group; Linköping University; Linköping Sweden