IV. Ensuring that judicial proceedings conform with international due process standards, fairness and impartiality; V. Strengthening the independence of the judiciary; and VI. Reviewing and reforming laws contributing to or allowing torture and other ill-treatment. 47. Other measures shall include any or all of the following: civilian oversight of military and security forces; establishing systems for regular and independent monitoring of all places of detention; specific training on the Istanbul Protocol for health and legal professionals and law enforcement officials; protecting human rights defenders and legal, health and other professionals who assist torture victims; promoting the observance of regional and international standards and codes of conduct by public servants, including law enforcement, correctional, medical, psychological, social service and military personnel; ensuring compliance with the prohibition of refoulement; and ensuring the availability of relevant services, for individuals or groups of individuals, such as shelters for victims of gender-related torture and other ill-treatment. 48. Additionally, guarantees of non-repetition offer an important potential for institutional and social transformation that may be required to address the underlying causes of violence. This may include addressing psychosocial effects of collective and/or historical trauma on political, social and religious leaders and other role-models in society, who may themselves have been tortured or traumatised and are likely, if their trauma is unaddressed, to either perpetuate the same atrocities that they had experienced or to create an environment that enables the commission of such acts. Healing and/or rehabilitation for leaders is therefore an important aspect of guarantees of non-repetition. 49. Guarantees of non-repetition shall also include rehabilitation and/or healing for perpetrators who are in some instances previous victims themselves. 15