| article html file updated | 10 February 2020 18:58 CET | Update | https://www.mdpi.com/2075-1702/6/4/54 |
| article html file updated | 9 October 2019 20:26 CEST | Update | - |
| article html file updated | 28 April 2019 13:44 CEST | Update | - |
| article html file updated | 14 April 2019 08:56 CEST | Update | - |
| article html file updated | 1 April 2019 14:51 CEST | Update | - |
| article html file updated | 26 December 2018 03:45 CET | Update | - |
| article html file updated | 1 November 2018 06:29 CET | Original file | - |
| article pdf uploaded. | 1 November 2018 06:27 CET | Version of Record | https://www.mdpi.com/2075-1702/6/4/54/pdf |
| article xml uploaded. | 1 November 2018 06:27 CET | Update | https://www.mdpi.com/2075-1702/6/4/54/xml |
| article xml file uploaded | 1 November 2018 06:27 CET | Original file | - |
