Transparency
Declaration of funding
This letter received no funding.
Declaration of financial/other relationships
As previously reported: S.T. has disclosed that he received a research grant from Asahi Kasei Pharma Corporation. T.K. has disclosed that he is an employee of Asahi Kasei Pharma Corporation. T.S. has disclosed that he received research grants and consulting fees from the following pharmaceutical companies: Asahi Kasei Pharma and Daiichi Sankyo. T.N. has disclosed that he received research grants and consulting fees from the following pharmaceutical companies: Chugai, Teijin, Asahi Kasei Pharma and Daiichi Sankyo. M.S. has disclosed that he received consulting fees from the following pharmaceutical companies: Chugai, Daiichi Sankyo, Asahi Kasei Pharma, Teijin, and MSD.