“…The majority of them described it ‘severe’ or ‘significant’ and some even ‘catastrophic’ [ 19 , 21 , 22 , 28 , 30 – 43 ]. These reports come both from developed [ 13 , 21 , 22 , 24 , 26 , 31 – 34 , 44 – 52 ] and developing countries [ 28 , 30 , 35 , 53 – 55 ] with very different healthcare systems. Moreover, the results were uniform between a variety of surgical specialties; general surgery [ 13 , 19 , 21 , 30 , 32 , 34 , 37 , 41 , 42 , 44 , 47 , 56 , 57 ], orthopaedics [ 19 , 24 , 58 ], ENT (ear, nose, throat) surgery [ 19 , 31 , 50 ], vascular surgery [ 19 , 22 , 26 ], urology [ 22 , 26 , 53 ], oral and maxillofacial surgery [ 19 , 33 ], and neurosurgery [ 19 , 54 , 59 ].…”