Guarantor of Manuscript:		William L. Hasler, MD
Each Author’s Contribution to Paper:
	William L. Hasler:	Study design, subject recruitment, data collection, data analysis, manuscript preparation
	Laura A. Wilson:	Study design, statistical analysis, manuscript preparation
	Henry P. Parkman:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	Kenneth L. Koch:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	Thomas L. Abell:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	Linda Nguyen:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	Pankaj J. Pasricha:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	William J. Snape:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	Richard W. McCallum:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	Irene Sarosiek:	Study design, subject recruitment, data collection, contribution to manuscript preparation
	Gianrico Farrugia:	Study design, contribution to manuscript preparation
	Jorge Calles:	Study design, contribution to manuscript preparation
	Linda Lee:	Study design, statistical analysis, contribution to manuscript preparation
	James Tonascia:	Study design, statistical analysis, contribution to manuscript preparation
	Aynur Unalp-Arida:	Study design, statistical analysis, contribution to manuscript preparation
	Frank Hamilton:	Study design, grant administration, contribution to manuscript preparation
Disclosures:		None for all investigators