“…Included studies were from 21 different countries: Bosnia and Herzegovina, 29,30 Brazil, 15,20,21,31‐45 Canada, 46 China, 24,46‐48 England, 49 Greece, 50 India, 51 Iran, 52,53 Italy, 19 Kuwait, 54 Nepal, 55 the Netherlands, 16,56,57 Norway, 14,58,59 Romania, 60 Saudi Arabia, 5 Scotland, 61 Serbian, 25 Singapore, 62,63 Spain, 64 Sweden, 10,65‐70 and the United States 71‐74 . One study 75 included after the 2020 search update appears to be from Saudi Arabia; we emailed the authors asking for confirmation but they did not reply.…”