A/67/44 awareness-raising campaigns among the general public regarding the unacceptability of and the harm done by corporal punishment. Data collection (23) The Committee regrets the absence of comprehensive and disaggregated data on complaints, investigations, prosecutions and convictions of cases of torture and ill treatment by law enforcement, security, and prison personnel, including in relation to involuntary sterilization, surgical castration, involuntary treatment and placement in social institutions, including the use of restraints, and violent attacks against ethnic minorities, in particular Roma, trafficking and domestic and sexual violence. The State party should compile statistical data relevant to the monitoring of the implementation of the Convention at the national level, in such areas as data on complaints, investigations, prosecutions and convictions of cases of torture and illtreatment, in relation to involuntary sterilization, surgical castration, involuntary treatment and placement in social institutions, the use of restraints, and violent attacks against ethnic minorities, in particular Roma, trafficking and domestic and sexual violence, as well as on means of redress, including compensation and rehabilitation, provided to the victims. (24) The Committee invites the State party to ratify the core United Nations human rights treaties to which it is not yet a party, namely the International Convention on the Protection of the Rights of All Migrant Workers and members of Their Families, the Convention for the Protection of all Persons from Enforced Disappearance, the Optional Protocol to the International Covenant on Economic, Social and Cultural Rights and the Optional Protocol to the Convention on the Rights of the Child on the sale of children, child prostitution and child pornography. (25) The State party is requested to disseminate widely the report submitted to the Committee and the Committee’s concluding observations, in appropriate languages, through official websites, the media and non-governmental organizations. (26) The Committee requests the State party to provide, by 1 June 2013, follow-up information in response to the Committee’s recommendations relating to (a) ensuring or strengthening legal safeguards for persons detained, (b) conducting prompt, impartial and effective investigations, and (c) prosecuting suspects and sanctioning perpetrators of torture and ill-treatment, as contained in paragraphs 11, 14 and 21 of the present document. (27) The State party is invited to submit its next report, which will be the sixth periodic report, by 1 June 2016. For that purpose, the Committee will, in due course, submit to the State party a list of issues prior to reporting, considering that the State party has accepted to report to the Committee under the optional reporting procedure. 65. Greece (1) The Committee against Torture considered the combined fifth and sixth periodic report of Greece (CAT/C/GRC/5-6) at its 1062nd and 1065th meetings (CAT/C/SR.1062 and SR.1065), held on 9 and 10 May 2012. At its 1084th and 1085th meetings (CAT/C/SR.1084 and SR.1085), held on 25 May 2012, it adopted the following concluding observations. A. Introduction (2) The Committee welcomes the submission by Greece of its combined fifth and sixth periodic reports in response to the list of issues prior to the submission of reports (CAT/C/GRC/Q/5-6). The Committee expresses its appreciation to the State party for accepting the optional reporting procedure and to have submitted its periodic report under 140 GE.12-44492