1. MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação (ARDITI) Funchal, 9020-105 Madeira, Portugal
2. Hydrosphere-Environmental laboratory for the study of aquatic ecosystems, 36331 Vigo, Spain
3. Institute of Marine Research (IIM-CSIC), 36208 Vigo, Spain
4. Laboratory of Botany, Department of Plant Biology and Ecology, Fac. of Science and Technology & Research Centre for Experimental Marine Biology and Biotechnology PIE-UPV/EHU, University of the Basque Country (UPV/EHU), PO Box 644, 48080 Bilbao, Spain
5. Department of Biology, Faculty of Marine and Environmental Sciences & Marine Research Institute (INMAR), University of Cadiz (UCA), Puerto Real, 11510 Cadiz, Spain
6. Smithsonian Environmental Research Center (SERC), Edgewater, MD 21037, USA