Background Difference-in-differences is a method commonly used in population health research. It is based on assumptions that ...

Accounting methods refer to the basic rules and guidelines under which businesses keep their financial records and prepare their financial reports. There are two main accounting methods used for ...

RNA and proteins are interconnected biomolecules that can promote each other’s life cycles and functions through physical interactions 1. The coding sequence of mRNA carries the instructions for ...

Our goal is to create a highly visible forum for the presentation of novel methods, because we believe that major methodological developments often take their roots in the cross-fertilization of ...