a1 Department of Anesthesia and Intensive Care Moolchand Hospital New Delhi, India
a2 Department of Anesthesiology Washington University School of Medicine St Louis, MO, USA
(Accepted October 12 2007)
Correspondence:
c1 Correspondence to: Binay K. Biswas, Department of Anesthesiology, Barnes-Jewish Hospital South, Washington University School of Medicine, Campus Box 8054, 660 S. Euclid Avenue St Louis, MO 63110-1093, USA. E-mail: biswasb@msnotes.wustl.edu; Tel: +1 314 362 5110; Fax: +1 314 362 1185