| article html file updated | 11 February 2020 12:28 CET | Update | https://www.mdpi.com/1999-4923/11/2/56 |
| article html file updated | 14 October 2019 03:51 CEST | Update | - |
| article html file updated | 26 April 2019 23:38 CEST | Update | - |
| article html file updated | 12 April 2019 19:31 CEST | Update | - |
| article html file updated | 3 April 2019 11:58 CEST | Update | - |
| article html file updated | 4 March 2019 15:02 CET | Update | - |
| article html file updated | 30 January 2019 05:18 CET | Original file | - |
| article pdf uploaded. | 30 January 2019 05:17 CET | Version of Record | https://www.mdpi.com/1999-4923/11/2/56/pdf |
| article xml uploaded. | 30 January 2019 05:17 CET | Update | https://www.mdpi.com/1999-4923/11/2/56/xml |
| article xml file uploaded | 30 January 2019 05:17 CET | Original file | - |
