| article html file updated | 8 February 2020 23:12 CET | Update | https://www.mdpi.com/1424-8220/17/12/2820 |
| article html file updated | 29 September 2019 00:10 CEST | Update | - |
| article html file updated | 2 May 2019 10:31 CEST | Update | - |
| article html file updated | 18 April 2019 08:08 CEST | Update | - |
| article html file updated | 2 January 2018 10:32 CET | Update | - |
| article html file updated | 5 December 2017 14:41 CET | Original file | - |
| article xml uploaded. | 5 December 2017 14:40 CET | Update | https://www.mdpi.com/1424-8220/17/12/2820/xml |
| article xml uploaded. | 5 December 2017 14:40 CET | Original file | - |
| article pdf uploaded. | 5 December 2017 14:40 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2820/pdf |
