“…All the articles were descriptive, and the level of evidence was low (i.e., OECBM level 5). In particular, most of the included papers were letters to the editor ( n = 5; 23.8%) [ 26 , 27 , 28 , 29 , 30 ] or recommendations (guidelines or expert consensus) ( n = 5; 23.8%) [ 31 , 32 , 33 , 34 , 35 ]. The other papers were three correspondences [ 6 , 36 , 37 ], two reviews [ 38 , 39 ], two surveys [ 9 , 40 ], two commentaries [ 41 , 42 ], and two editorials [ 43 , 44 ].…”