| article html file updated | 11 February 2020 08:14 CET | Update | https://www.mdpi.com/1424-8220/19/2/268 |
| article html file updated | 13 October 2019 05:08 CEST | Update | - |
| article html file updated | 27 April 2019 08:07 CEST | Update | - |
| article html file updated | 13 April 2019 04:13 CEST | Update | - |
| article html file updated | 3 April 2019 01:45 CEST | Update | - |
| article html file updated | 30 January 2019 05:30 CET | Update | - |
| article html file updated | 11 January 2019 09:23 CET | Original file | - |
| article pdf uploaded. | 11 January 2019 09:21 CET | Version of Record | https://www.mdpi.com/1424-8220/19/2/268/pdf |
| article xml uploaded. | 11 January 2019 09:21 CET | Update | https://www.mdpi.com/1424-8220/19/2/268/xml |
| article xml file uploaded | 11 January 2019 09:21 CET | Original file | - |
