| article html file updated | 12 February 2020 08:10 CET | Update | https://www.mdpi.com/1424-8220/19/9/1972 |
| article html file updated | 19 October 2019 02:39 CEST | Update | - |
| article html file updated | 24 May 2019 14:30 CEST | Update | - |
| article html file updated | 6 May 2019 12:46 CEST | Update | - |
| article pdf uploaded. | 6 May 2019 12:44 CEST | Updated version of record | https://www.mdpi.com/1424-8220/19/9/1972/pdf |
| article xml uploaded. | 6 May 2019 12:44 CEST | Update | https://www.mdpi.com/1424-8220/19/9/1972/xml |
| article xml file uploaded | 6 May 2019 12:44 CEST | Update | - |
| article html file updated | 26 April 2019 19:08 CEST | Original file | - |
| article pdf uploaded. | 26 April 2019 19:07 CEST | Version of Record | https://www.mdpi.com/1424-8220/19/9/1972/pdf-vor |
| article xml file uploaded | 26 April 2019 19:07 CEST | Original file | - |
