| article html file updated | 11 February 2020 17:13 CET | Update | https://www.mdpi.com/1424-8220/19/4/871 |
| article html file updated | 15 October 2019 07:02 CEST | Update | - |
| article html file updated | 26 April 2019 14:17 CEST | Update | - |
| article html file updated | 12 April 2019 09:53 CEST | Update | - |
| article html file updated | 3 April 2019 23:39 CEST | Update | - |
| article html file updated | 5 March 2019 05:21 CET | Update | - |
| article html file updated | 1 March 2019 06:21 CET | Update | - |
| article html file updated | 25 February 2019 01:37 CET | Original file | - |
| article pdf uploaded. | 24 February 2019 04:49 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/4/871/pdf |
| article xml uploaded. | 24 February 2019 04:49 CET | Update | https://www.mdpi.com/1424-8220/19/4/871/xml |
| article xml file uploaded | 24 February 2019 04:49 CET | Update | - |
| article pdf uploaded. | 19 February 2019 17:14 CET | Version of Record | https://www.mdpi.com/1424-8220/19/4/871/pdf-vor |
| article xml file uploaded | 19 February 2019 17:14 CET | Original file | - |
