“…From this consensus, countries such as Australia, Canada, Spain, France and Italy have also established committees and developed clinical practice guidelines or clinical protocols. Thus, the therapeutic indications of HA were classified as: 1) Approved indications, with convincing evidence; 2) Indications not approved, but with potential clinical benefit, most of the time with inconclusive evidence; 3) Indications not recommended (Casuccio et al, 2015;Vermeulen, Ratko, Erstad, 2010;Liumbruno et al, 2009;Stanford Health Care, 2017;Guy's and St. Thomas' NHS Foundation Trust, 2015;Caraceni et al, 2016;National Plasma Products Expert Advisory Group -Scotland NHS, 2016;Ontario Regional Blood Coordinating Network, 2012;Lyu et al, 2016).…”