The Special Rapporteur has also taken first steps towards collaborating with other special procedures mandate holders. Initial efforts of collaboration have included a joint statement made on Human Rights Day, on 10 December 2014, with other special procedures mandate holders on climate change and human rights, and joined efforts regarding issues of common concern with the mandate holders on the right to food, older persons and the right of everyone to the enjoyment of the highest attainable standard of physical and mental health.