| article html file updated | 12 February 2020 00:15 CET | Update | https://www.mdpi.com/1424-8220/19/6/1426 |
| article html file updated | 17 October 2019 01:49 CEST | Update | N/A |
| article html file updated | 25 April 2019 22:50 CEST | Update | N/A |
| article html file updated | 11 April 2019 17:55 CEST | Update | N/A |
| article html file updated | 10 April 2019 11:58 CEST | Update | N/A |
| article html file updated | 4 April 2019 18:34 CEST | Update | N/A |
| article html file updated | 28 March 2019 11:05 CET | Original file | N/A |
| article pdf uploaded. | 28 March 2019 07:57 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/6/1426/pdf |
| article xml uploaded. | 28 March 2019 07:57 CET | Update | https://www.mdpi.com/1424-8220/19/6/1426/xml |
| article xml file uploaded | 28 March 2019 07:57 CET | Update | N/A |
| article pdf uploaded. | 22 March 2019 15:08 CET | Version of Record | https://www.mdpi.com/1424-8220/19/6/1426/pdf-vor |
| article xml file uploaded | 22 March 2019 15:08 CET | Original file | N/A |