| article html file updated | 10 October 2020 03:11 CEST | Update | https://www.mdpi.com/2224-2708/9/1/7 |
| article html file updated | 1 April 2020 22:35 CEST | Update | - |
| article html file updated | 15 February 2020 03:25 CET | Update | - |
| article html file updated | 31 January 2020 02:34 CET | Original file | - |
| article xml uploaded. | 31 January 2020 02:33 CET | Update | https://www.mdpi.com/2224-2708/9/1/7/xml |
| article pdf uploaded. | 31 January 2020 02:33 CET | Updated version of record | https://www.mdpi.com/2224-2708/9/1/7/pdf |
| article pdf uploaded. | 16 January 2020 11:26 CET | Updated version of record | https://www.mdpi.com/2224-2708/9/1/7/pdf-vor |
| article pdf uploaded. | 16 January 2020 11:24 CET | Version of Record | https://www.mdpi.com/2224-2708/9/1/7/pdf-vor |
| article xml file uploaded | 16 January 2020 11:24 CET | Original file | - |
