1. Energy Engineering Department, Faculty of Engineering of Bilbao, University of the Basque Country (UPV/EHU), Pza. Ingeniero Torres Quevedo 1, 48013 Bilbao, Spain
2. AZTI, Marine Research, Basque Research and Technology Alliance (BRTA), Txatxarramendi Ugartea z/g, 48395 Sukarrieta, Bizkaia, Spain
3. SINTEF Ocean, Trondheim 7010, Norway
4. Marine, Offshore and Subsea Technology Group, School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU U.K.