In accordance with the Free Publishing Agreement, which aims to support the scientific research system by funding publication for free access in Springer Nature journals for researchers in the Arab Republic of Egypt, which was launched by the Science, Technology and Innovation Funding Authority in cooperation with the Egyptian Knowledge Bank-EKB to encourage scientific publishing, the publishing in journals rated Q4 will be supported for a temporary period starting Sunday, April 24, in addition to journals rated Q1, Q2, Q3.