The authors indicate on page 257 of the article that institutional review board (IRB) authorization was acquired. This indicates than an IRB gave approval to conduct the research. In addition, the authors state that informed consent was provided to each participant. Per Grove and Gray (2019), which of the following would NOT be considered essential information for informed consent? (Select all that apply.)

A. a statement of the research purpose and any benefits or risks due to participation in the study
B. a copy of the abstract of the article that will be used in the publishing journal.
C. an explanation of the procedures to be followed in the study
D. a complete list of references to be used in the study.