media, to increase awareness and commitment to the promotion and protection of the rights of girls and appropriate responses to rights violations; 14.14. other relevant factors addressing the specific situation of vulnerable girls, and disseminate lessons learned and good practices; (b) Conduct regular surveys of the situation and needs Participation of girls of girls at national and local levels to identify groups at high risk of discrimination and violence, ensuring that all data are disaggregated by age, education, marital status, geographical location, income and other relevant factors; (a) Respect and promote the right of girls to express themselves freely and to take the views of girls into account in all matters affecting them, including by taking all necessary actions to empower girls to exercise this right, according to their evolving capacity, and to build self-esteem and acquire knowledge and skills and provide them with adequate information on health, social and education services, programmes and initiatives to facilitate their participation in all sectors, including civil society; (c) Collect data disaggregated by age, sex and other relevant factors addressing the specific situation of vulnerable girls and systematically report on internationally agreed indicators related to the girl child as contained in the Millennium Development Goals, and support the development of additional indicators in consultation with the Statistical Commission, as appropriate, to more systematically and effectively measure national progress in eliminating all forms of discrimination and violence against the girl child. (b) Involve girls, including girls with special needs, and their representative organizations, in decision-making processes, as appropriate, and include them as full and active partners in identifying their own needs and in developing, planning, implementing and assessing policies and programmes to meet these needs; 14.15. Treaty bodies Gender mainstreaming Mainstream a gender perspective, including special attention to the girl child, into all legislation, policies and programmes, and strengthen national monitoring and evaluation, inter alia, by utilizing gender budgeting and gender impact assessment, and compile and disseminate lessons learned and good practices; 14.16. 15.  The Commission encourages the Committee on the Rights of the Child and the Committee on the Elimination of Discrimination against Women, as well as the other human rights treaty bodies, to invite States parties to ensure that their reports explicitly address the situation of the girl child. Data collection (a) Encourage and strengthen national research, moni- toring and evaluation of the progress in eliminating all forms of discrimination and violence against the girl child, in particular in areas where there is a dearth of information, including, as appropriate, through the development of reliable standardized methodology for the systematic collection, analysis and use in policy formulation of gender-specific data and statistics, disaggregated by sex, age and 10