1. New England Fishery Management Council, 50 Water St., Newburyport, MA 01950, USA.
2. Northeast Fisheries Science Center National Marine Fisheries Service, 166 Water St., Woods Hole, MA 02543, USA.
3. US Geological Survey, Georgia Cooperative Fish and Wildlife Research Unit, University of Georgia, 180 E. Green St., Athens, GA 30602, USA.