Ptok, Annette
Jindal, Rupinder P.
Reinartz, Werner J.
Article History
Received: 15 March 2017
Accepted: 7 May 2018
First Online: 30 May 2018
Change Date: 27 June 2018
Change Type: Correction
Change Details: The original version of this article unfortunately contained mistakes in Table 10. Data entries were incorrectly aligned under “Benchmark variables” and “Empirical test for SGA or modifications” columns. Please see below correct Table 10.