This letter of recommendation provides a strong endorsement of Mr. Diogo Calado for his clinical and research work. The writer describes Diogo as having a strong motivation for clinical work and scientific research, and always being available to help colleagues. Diogo is said to be meticulous, rigorous, and dedicated in improving the quality of clinical and research work at the hospital. The writer sees Diogo as being at the forefront of medicine, with a positive attitude and ability to embrace new challenges. Diogo is also praised for becoming engaged in Chinese society and culture, being a valuable member of the writer's team through his work and participation in social events.