| article html file updated | 8 February 2020 23:02 CET | Update | https://www.mdpi.com/1424-8220/17/12/2806 |
| article html file updated | 28 September 2019 23:14 CEST | Update | - |
| article html file updated | 2 May 2019 10:52 CEST | Update | - |
| article html file updated | 18 April 2019 08:29 CEST | Update | - |
| article html file updated | 2 January 2018 10:26 CET | Update | - |
| article html file updated | 5 December 2017 13:59 CET | Original file | - |
| article xml uploaded. | 5 December 2017 13:58 CET | Update | https://www.mdpi.com/1424-8220/17/12/2806/xml |
| article xml uploaded. | 5 December 2017 13:58 CET | Update | - |
| article xml uploaded. | 5 December 2017 13:58 CET | Original file | - |
| article pdf uploaded. | 5 December 2017 13:58 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/12/2806/pdf |
| article pdf uploaded. | 4 December 2017 12:38 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2806/pdf-vor |
