By Mark B. Scholl (East Carolina University, North Carolina, USA), A. Scott McGowan, James T. Hansen
By Ray Owen (Herefordshire NHS Primary Care Trust, UK)
By Nick Stanhope
By Corrigan, Paul
By Christine Hobart, Jill Frankel, Miranda Walker
By Papadopoulos, Andrew
By Powell, Trevor J.
By Sills, Charlotte, Fish, Sue, Lapworth, Phil
By Trevor J. Powell
By David Hall, Peter D. Hill
By Robinson, John J.
By Pincus, Allen, Minahan, Anne
By Bohrnstedt, George W., Knoke, David H.
By Rumbarger, John J.
By Stein, Janice Gross
By Whitworth, Laura, Kimsey-House, Henry, Sandahl, Phil, Whitmore, John
By Marguerite Carroll, James D. Wiggins
By Fallon MD
By Whalen, William J.
By Anna Kerr, etc.
By Harrison-Barbet, Anthony
By Quick, Allison, Wilkinson, Richard G.
By Reddy, Michael
By Swann, Sara, McNosh, Diana, Edwards, Susan
By Westcott, Helen L.
By Marchant, Ruth, Page, Marcus
By Stone, Bill
By Alison Stedman, Stedman, Alison
By Calouste Gulbenkian Foundation