[1] Brigham & Womens Hosp, Boston, MA 02115 USA
[2] Baylor Univ, Med Ctr, Dallas, TX USA
[3] Univ Glasgow, Glasgow, Lanark, Scotland
[4] Gothenburg Univ, Gothenburg, Sweden
[5] Univ Montreal, Montreal, PQ, Canada
[6] Med Univ S Carolina, Charleston, SC 29425 USA
[7] Novartis, E Hanover, NJ USA