A/HRC/13/56 (j) To provide appropriate training and education to those who work with child victims of sexual violence and abuse, including not only educational, psychosocial and medical professionals, but also legal and law-enforcement professionals, including judges and police officers in charge of receiving complaints from child victims of sexual violence, in order to prevent further victimization; (k) To address the gender dimension of all forms of sexual violence and abuse against children and incorporate a gender perspective in all policies adopted and actions taken to protect children against all forms of sexual violence and abuse, while acknowledging that girls and boys face varying risks from different forms of sexual violence at different ages and in different situations; (l) To ensure the meaningful participation of children in all matters and decisions affecting their lives through their expression of their views, and that those views are given due weight in accordance with their age and maturity, including in all administrative and judicial proceedings, and that disability-, gender- and age-appropriate assistance is provided to enable the active and equal participation of all children; (m) To ensure an active engagement of children in the development of measures of prevention, response and monitoring of sexual violence and abuse against them, including through the promotion and development of child-led initiatives; (n) To develop, strengthen and implement well-coordinated cross-sectoral strategies or plans of action at the national and community levels to address violence against children, including sexual violence and abuse against children, within the context of comprehensive domestic child protection strategies, with realistic and time-bound targets, and ensure the allocation of financial and human resources for their implementation, including arrangements for the monitoring and regular review of action taken to address sexual violence against children; (o) To improve national and local data-collection and information systems on children at risk so as to inform policy and monitor progress in order to prevent sexual violence against children, while safeguarding their dignity and right to privacy and averting child stigmatization; (p) To ensure the registration of the child immediately after birth and that registration procedures are simple, expeditious and effective and provided at minimal or no cost and to raise awareness of the importance of birth registration at the national, regional and local levels; (q) To establish and implement regional and national legal mechanisms and programmes for addressing sex offender behaviour and preventing recidivism, in addition to but not in place of criminal sanctions, safe reintegration of convicted offenders and the collection and sharing of good practices; (r) To share good practices on all issues related to the fight against sexual violence against children and to discuss these practices in regional and multilateral forums; 3. Also urges all States to strengthen international commitment, cooperation and mutual assistance, including at the level of relevant government ministries and law enforcement agencies, in preventing and protecting children from all forms of sexual violence and in ending impunity for sexual violence against children, including through research, policies, monitoring and capacity-building designed to promote the implementation of agreed international standards for preventing and protecting children from sexual violence, abuse and exploitation, including child pornography; 4. Calls upon States to pay special attention to the protection from sexual violence and abuse of marginalized and vulnerable children, such as children belonging to 55