| article html file updated | 14 February 2020 03:49 CET | Update | https://www.mdpi.com/1424-8220/19/21/4637 |
| article html file updated | 15 November 2019 13:08 CET | Update | N/A |
| article html file updated | 25 October 2019 05:35 CEST | Original file | N/A |
| article pdf uploaded. | 25 October 2019 05:34 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/21/4637/pdf |
| article xml uploaded. | 25 October 2019 05:34 CEST | Update | https://www.mdpi.com/1424-8220/19/21/4637/xml |
| article xml file uploaded | 25 October 2019 05:34 CEST | Original file | N/A |
