“…The use of service dogs for blind or debilitated veterans has a long history (Ostermeier, 2010). In recent decades, the use of animals for relieving mental health challenges, improving both life quality and psychosocial functioning in veterans, has been suggested in numerous limited-scale or single-case studies (Fine, 2010; Taylor, Edwards, & Pooley, 2013) and recently in a few controlled or larger scale studies (van Houtert, Endenburg, Wijnker, Rodenburg, & Vermetten, 2018; Whitworth, Scotland-Coogan, & Wharton, 2019; Yarborough, Stumbo, Yarborough, Owen-Smith, & Green, 2018). However, the effects of and mechanisms involved in service dog interventions are poorly understood, as research efforts into this domain have been very limited until recently (Santaniello et al, 2020; van Houtert et al, 2018).…”