“…23 The 34 remaining articles were written in English. 10,16,21,22, Fifteen reports were from Europe, 10,[22][23][24][26][27][28][29][30]34,40,45,[49][50][51] nine from Asia, 25,32,33,35,37,[41][42][43]53 eight from the United States of America, 16,31,36,39,44,47,48,52 two from South America, 38,46 and one from Egypt. 21 Our comprehensive search did not identify any comparative studies (controlled); all data emerged from descriptive studies (case reports or case series).…”