1. Department of Biology University of Padova Padova Italy
2. Royal Belgian Institute of Natural Sciences Brussels Belgium
3. CNR Institute of Polar Sciences (ISP) Bologna Italy
4. Consorzio Nazionale Interuniversitario Per le Scienze del Mare (CoNISMa) Roma Italy
5. Zoological Station Anton Dohrn Naples Italy
6. Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research Bremerhaven Germany