aDepartment of Medicine, Rowan University School of Osteopathic Medicine

bAmerican Preventive Screening & Education Association (APSEA), Stratford

cDepartment of Biology, Rutgers, the State University of New Jersey

dDepartment of Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, USA

Correspondence to David F. Lo, MBS, Department of Medicine, Rowan School of Osteopathic Medicine, 1 Medical Center Drive, Stratford, NJ 08084, USA. Tel: +1 973 996 8669; fax: +1 973 996 8668; e-mail: [email protected]