text: Wallman-Jones A, Perakakis P, Tsakiris M*et al.*Physical activ- 
  ity and interoceptive processing: theoretical considerations 
  for future research.*Int J Psychophysiol*2021;**166**:38–49. 
  
  Weiss NH, Dixon-Gordon KL, Duke AA*et al.*The underlying role 
  of posttraumatic stress disorder symptoms in the association 
  between intimate partner violence and deliberate self-harm 
  among African American women.*Compr Psychiatry*2015;**59**:8–16. 
  Witt KG, Hetrick SE, Rajaram G*et al.*Interventions for self- 
  harm in children and adolescents.*Cochrane Database Syst Rev*
  2021;**3**:CD013667. 
  
  Wolff JC, Thompson E, Thomas SA*et al.*Emotion dysregulation 
  and non-suicidal self-injury: a systematic review and meta- 
  analysis.*Eur Psychiatry*2019;**59**:25–36. 
  
  Wu Q, Feng X. Infant emotion regulation and cortisol response dur- 
  ing the first 2 years of life: Association with maternal parenting 
  profiles.*Developmental Psychobiology*2020;**62**:1076–91. 