3. States Parties shall ensure that, in the treatment by the criminal justice system of children who are victims of the offences described in the present Protocol, the best interest of the child shall be a primary consideration. 4. States Parties shall take measures to ensure appropriate training, in particular legal and psychological training, for the persons who work with victims of the offences prohibited under the present Protocol. 5. States Parties shall, in appropriate cases, adopt measures in order to protect the safety and integrity of those persons and/or organizations involved in the prevention and/or protection and rehabilitation of victims of such offences. 6. Nothing in the present article shall be construed to be prejudicial to or inconsistent with the rights of the accused to a fair and impartial trial. Article 9 1. States Parties shall adopt or strengthen, implement and disseminate laws, administrative measures, social policies and programmes to prevent the offences referred to in the present Protocol. Particular attention shall be given to protect children who are especially vulnerable to such practices. 2. States Parties shall promote awareness in the public at large, including children, through information by all appropriate means, education and training, about the preventive measures and harmful effects of the offences referred to in the present Protocol. In fulfilling their obligations under this article, States Parties shall encourage the participation of the community and, in particular, children and child victims, in such information and education and training programmes, including at the international level. 3. States Parties shall take all feasible measures with the aim of ensuring all appropriate assistance to victims of such offences, including their full social reintegration and their full physical and psychological recovery. 4. States Parties shall ensure that all child victims of the offences described in the present Protocol have access to adequate procedures to seek, without discrimination, compensation for damages from those legally responsible. 5. States Parties shall take appropriate measures aimed at effectively prohibiting the production and dissemination of material advertising the offences described in the present Protocol. Article 10 1. States Parties shall take all necessary steps to strengthen international cooperation by multilateral, regional and bilateral arrangements for the prevention, detection, investigation, prosecution and punishment of those responsible for acts involving the sale of children, child prostitution, child pornography and child sex tourism. States Parties shall also promote international cooperation and coordination between their authorities, national and international non-governmental organizations and international organizations. 2. States Parties shall promote international cooperation to assist child victims in their physical and psychological recovery, social reintegration and repatriation. 3. States Parties shall promote the strengthening of international cooperation in order to address the root causes, such as poverty and underdevelopment, contributing to the vulnerability of children to the sale of children, child prostitution, child pornography and child sex tourism. 4. States Parties in a position to do so shall provide financial, technical or other assistance through existing multilateral, regional, bilateral or other programmes. Article 11