[1] Nottingham Univ Hosp NHS Trust, Gen Surg, Nottingham, England
[2] Calif Inst Behav Neurosci & Psychol, Surg, Fairfield, CA 94534 USA
[3] Calif Inst Behav Neurosci & Psychol, Res, Fairfield, CA USA
[4] Jawaharlal Inst Postgrad Med Educ & Res, Surg, Pondicherry, India
[5] Cornerstone Reg Hosp, Gen Surg & Orthopaed Surg, Edinburg, TX USA
[6] Stony Brook Southampton Hosp, Gen Surg, New York, NY USA
[7] LaSante Hlth Ctr, Surg, Brooklyn, NY USA
[8] Beni Suef Univ, Med, Fac Med, Bani Suwayf, Egypt
[9] Calif Inst Behav Neurosci & Psychol, Neurol, Fairfield, CA USA
[10] Halifax Hlth Med Ctr, Surg, Daytona Beach, FL USA
[11] Dr Pinnamaneni Siddhartha Inst Med Sci & Res Fdn, Surg, Gannavaram, India
[12] Liaquat Univ Med & Hlth Sci, Gen Surg, Jamshoro, Pakistan
[13] Calif Inst Behav Neurosci & Psychol, Internal Med, Fairfield, CA USA