Authors’ contributions
KJ made substantial contributions to conception, design of work, and interpretation of data and have substantially revised the manuscript. ABJ made a substantial contribution to the data acquisition and interpretation and drafting and revising the manuscript. RB contributed to data acquisition. KE contributed to data acquisition. OE performed the statistical analysis and contributed to revising the manuscript. SF performed the histological examination of the explants. AG contributed to interpretation of data and revising the manuscript. GS contributed to interpretation of data and revising the manuscript. All authors read and approved the final manuscript.