| article html file updated | 12 February 2020 00:45 CET | Update | https://www.mdpi.com/1424-8220/19/6/1464 |
| article html file updated | 17 October 2019 04:33 CEST | Update | - |
| article html file updated | 25 April 2019 21:41 CEST | Update | - |
| article html file updated | 11 April 2019 16:50 CEST | Update | - |
| article html file updated | 10 April 2019 12:13 CEST | Update | - |
| article html file updated | 26 March 2019 05:22 CET | Original file | - |
| article pdf uploaded. | 26 March 2019 05:21 CET | Version of Record | https://www.mdpi.com/1424-8220/19/6/1464/pdf |
| article xml uploaded. | 26 March 2019 05:21 CET | Update | https://www.mdpi.com/1424-8220/19/6/1464/xml |
| article xml file uploaded | 26 March 2019 05:21 CET | Original file | - |
