| article html file updated | 2 April 2020 07:25 CEST | Update | https://www.mdpi.com/2075-1702/8/1/4 |
| article html file updated | 15 February 2020 04:29 CET | Update | - |
| article html file updated | 22 January 2020 12:52 CET | Update | - |
| article pdf uploaded. | 22 January 2020 12:51 CET | Updated version of record | https://www.mdpi.com/2075-1702/8/1/4/pdf |
| article xml uploaded. | 22 January 2020 12:50 CET | Update | https://www.mdpi.com/2075-1702/8/1/4/xml |
| article xml file uploaded | 22 January 2020 12:50 CET | Update | - |
| article html file updated | 22 January 2020 05:15 CET | Update | - |
| article xml uploaded. | 22 January 2020 05:14 CET | Update | - |
| article pdf uploaded. | 22 January 2020 05:14 CET | Updated version of record | - |
| article html file updated | 19 January 2020 12:50 CET | Original file | - |
| article pdf uploaded. | 19 January 2020 12:49 CET | Version of Record | - |
| article xml uploaded. | 19 January 2020 12:49 CET | Update | - |
| article xml file uploaded | 19 January 2020 12:49 CET | Original file | - |
