| article html file updated | 8 February 2020 23:57 CET | Update | https://www.mdpi.com/2073-4352/7/12/374 | 
| article html file updated | 29 September 2019 04:27 CEST | Update | - | 
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| article html file updated | 15 December 2017 04:47 CET | Update | - | 
| article xml uploaded. | 15 December 2017 04:46 CET | Update | https://www.mdpi.com/2073-4352/7/12/374/xml | 
| article pdf uploaded. | 15 December 2017 04:46 CET | Updated version of record | https://www.mdpi.com/2073-4352/7/12/374/pdf | 
| article html file updated | 13 December 2017 10:53 CET | Original file | - | 
| article xml uploaded. | 13 December 2017 10:51 CET | Original file | - | 
| article pdf uploaded. | 13 December 2017 10:51 CET | Version of Record | https://www.mdpi.com/2073-4352/7/12/374/pdf-vor |