| article html file updated | 14 February 2020 05:23 CET | Update | https://www.mdpi.com/1424-8220/19/21/4724 |
| article html file updated | 15 November 2019 14:00 CET | Update | N/A |
| article html file updated | 31 October 2019 10:21 CET | Update | N/A |
| article pdf uploaded. | 31 October 2019 10:20 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/21/4724/pdf |
| article xml uploaded. | 31 October 2019 10:20 CET | Update | https://www.mdpi.com/1424-8220/19/21/4724/xml |
| article xml file uploaded | 31 October 2019 10:20 CET | Update | N/A |
| article html file updated | 31 October 2019 08:07 CET | Original file | N/A |
| article pdf uploaded. | 31 October 2019 04:18 CET | Version of Record | N/A |
| article xml uploaded. | 31 October 2019 04:18 CET | Update | N/A |
| article xml file uploaded | 31 October 2019 04:18 CET | Original file | N/A |
