Readability
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Fig. 1 and 3 are too small to readable when printed. Please check for overlong lines. -
text in Fig. 1, 3, 4, 6, and 7 is too small in font size -
Avoid paragraphs with one sentence only ("Once authors..." [page 3]) -
reduce or split the sentence "Even though ..." in the second paragraph in the Intro (Rev3)
Edited by Dominic Lohr