| article html file updated | 11 February 2020 23:58 CET | Update | https://www.mdpi.com/1424-8220/19/6/1400 |
| article html file updated | 17 October 2019 00:14 CEST | Update | - |
| article html file updated | 25 April 2019 23:31 CEST | Update | - |
| article html file updated | 11 April 2019 18:34 CEST | Update | - |
| article html file updated | 10 April 2019 11:46 CEST | Update | - |
| article html file updated | 4 April 2019 17:48 CEST | Update | - |
| article html file updated | 22 March 2019 10:21 CET | Original file | - |
| article pdf uploaded. | 22 March 2019 10:20 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/6/1400/pdf |
| article xml uploaded. | 22 March 2019 10:20 CET | Update | https://www.mdpi.com/1424-8220/19/6/1400/xml |
| article xml file uploaded | 22 March 2019 10:20 CET | Update | - |
| article pdf uploaded. | 21 March 2019 15:29 CET | Version of Record | https://www.mdpi.com/1424-8220/19/6/1400/pdf-vor |
| article xml file uploaded | 21 March 2019 15:29 CET | Original file | - |
