Fortune-Greeley AK, Hardy NC, Lin L, Friedman JY, Lawlor JS, Muhlbaier LH, Hall MA, Schulman KA, Sugarman J, Weinfurt KP. Patient reactions to confidentiality, liability, and financial aspects of informed consent in cardiology research. Circ Cardiovasc Qual Outcomes. 2010 Mar; 3(2):151-8.