528 and 531: “radical” Answer 36: Suggestion has been included in the revised version of the manuscript Comment 37: l. 535 and 536: “activity” Answer 37: Suggestion has been included in the revised version of the manuscript Comment 38: l. 537: No section 3.6.2 Answer 38:
433, 434, 454, 458, and 507 First section 3.6 (and its subsections) should be section 3.5.