| article html file updated | 8 February 2020 22:34 CET | Update | https://www.mdpi.com/1424-8220/17/12/2756 |
| article html file updated | 28 September 2019 20:17 CEST | Update | - |
| article html file updated | 2 May 2019 11:55 CEST | Update | - |
| article html file updated | 18 April 2019 09:32 CEST | Update | - |
| article html file updated | 2 January 2018 10:12 CET | Update | - |
| article html file updated | 29 November 2017 14:38 CET | Original file | - |
| article xml uploaded. | 29 November 2017 14:37 CET | Update | https://www.mdpi.com/1424-8220/17/12/2756/xml |
| article xml uploaded. | 29 November 2017 14:37 CET | Update | - |
| article xml uploaded. | 29 November 2017 14:37 CET | Original file | - |
| article pdf uploaded. | 29 November 2017 14:37 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2756/pdf |
