| article html file updated | 8 February 2020 23:37 CET | Update | https://www.mdpi.com/1424-8220/17/12/2857 |
| article html file updated | 29 September 2019 02:27 CEST | Update | - |
| article html file updated | 2 May 2019 09:37 CEST | Update | - |
| article html file updated | 18 April 2019 07:18 CEST | Update | - |
| article html file updated | 2 January 2018 10:39 CET | Update | - |
| article html file updated | 9 December 2017 09:46 CET | Original file | - |
| article xml uploaded. | 9 December 2017 09:44 CET | Original file | https://www.mdpi.com/1424-8220/17/12/2857/xml |
| article pdf uploaded. | 9 December 2017 09:44 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2857/pdf |
