public AuthorBuilder nameAsInstitution(String nameAsInstitution) {
            this.nameAsInstitution = nameAsInstitution;
            if (!nameAsInstitution.isEmpty()) {
                this.name = "null";
                this.middleName = "null";
                this.surname = "null";
                this.secondSurname = "null";
            }
            return this;
        }