1. Acoustics and Sonar Department, TNO, Oude Waalsdorperweg 63, Den Haag, 2597 AK, The Netherlands
2. JASCO Applied Sciences (Deutschland) GmbH, Mergenthaler Allee 15-21, Eschborn, Hesse, 65760, Germany
3. Jackson Estuarine Laboratory, College of Life Sciences and Agriculture, University of New Hampshire, 85 Adams Point Road, Durham, New Hampshire 03824, USA
4. Havakustik Ltd., Cliftonville, George Street, Cambridge, CB4 1AJ, United Kingdom
5. JASCO Applied Sciences (Canada), Victoria, British Columbia V8Z 7X8, Canada
6. National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, United Kingdom