Burn injuries are one of the most important health challenges worldwide, resulting in long hospital stays and a heavy financial burden on patients, families and communities (Herndon, 2012). They are the fourth most common type of trauma worldwide, following traffic accidents, falls and interpersonal violence (Knowlin et al., 2016).Annually, burns result in more than 7.1 million injuries and loss of almost 18 million disability adjusted life years (DALYs) (Rybarczyk et al., 2016). A total of 195,000 deaths are reported annually due to burn injuries worldwide, more than 95% of which occur in developing countries (Herndon, 2012). In Iran, burns are one of the most common forms of trauma and the seventh most important cause of disease burden due to injuries (Emami et al., 2016).Despite advances in the treatment of burn injuries, they still result in metabolic changes, complications and undesirable effects that may influence the entire body (Townsend et al. 2016). In general, the outcomes of burn injuries can be categorized into short-term,