1. University of Maryland Center for Environmental Science, Horn Point Laboratory, 2020 Horns Point Rd., Cambridge, MD 21613
2. Instituto de Ciencias Marinas y Limnológicas, Universidad Austral de Chile, Casilla 567, Valdivia, Chile
3. Darling Marine Center, University of Maine, 193 Clarks Cove Rd., Walpole, ME 04573
4. Faculty of Agricultural and Environmental Sciences, McGill University, 2111 Lakeshore, Sainte-Anne-de-Bellevue, Quebec, H9X 3V9, Canada
5. Department of Physics, Mount Allison University, 62 York St., Sackville, NB E4L 1E6, Canada