1. Laboratory for Functional Morphology; University of Antwerp; Wilrijk Belgium
2. Antwerp Zoo Centre for Research and Conservation; Antwerp Belgium
3. Department of Movement and Sports Sciences; University of Ghent; Gent Belgium
4. Institute of Ageing and Chronic Disease; University of Liverpool; Liverpool UK
5. Behavioural Ecology and Ecophysiology Group; University of Antwerp; Wilrijk Belgium