| article html file updated | 12 February 2020 01:11 CET | Update | https://www.mdpi.com/2079-3197/7/2/20 |
| article html file updated | 4 July 2019 16:48 CEST | Update | - |
| article html file updated | 29 April 2019 08:57 CEST | Original file | - |
| article pdf uploaded. | 29 April 2019 08:56 CEST | Updated version of record | https://www.mdpi.com/2079-3197/7/2/20/pdf |
| article xml uploaded. | 29 April 2019 08:56 CEST | Update | https://www.mdpi.com/2079-3197/7/2/20/xml |
| article xml file uploaded | 29 April 2019 08:55 CEST | Update | - |
| article pdf uploaded. | 27 March 2019 14:41 CET | Version of Record | https://www.mdpi.com/2079-3197/7/2/20/pdf-vor |
| article xml file uploaded | 27 March 2019 14:41 CET | Original file | - |
