1. National Wind Technology CenterNational Renewable Energy LaboratoryGoldenColoradoUSA
2. Centre for Ships and Ocean StructuresNorwegian University of Science and TechnologyTrondheimNorway
3. The Timken CompanyCantonOhioUSA
4. Norwegian Research Centre for Offshore Wind TechnologyNorwegian University of Science and TechnologyTrondheimNorway