“…Medical history was the second most frequently studied factor (67% of included studies; n = 183), 2,3,5,22–24,26–35,38,40,42–44,47,49–51,53,56–58,60–64,68–70,74,75,77,78,80,81,83,85,87,90–92,94–96,98,101,102,104–108,110,111,113,114,119–130,132,136–138,140–144,147,148,151,153–157,159,161,162,166,167,169,172,173,176–178, 180,181,185,188–190,194,196,197,199–256 and 27 studies were exclusively dedicated to this topic. The influence of the presence of GORD, stomach upset or heartburn was the most studied factor from this category, with 35.2% of studies included in this scoping review (96 out of 273).…”