| article html file updated | 7 February 2020 20:23 CET | Update | https://www.mdpi.com/1424-8220/17/1/44 |
| article html file updated | 22 September 2019 15:41 CEST | Update | - |
| article html file updated | 4 May 2019 17:38 CEST | Update | - |
| article html file updated | 8 February 2017 08:57 CET | Update | - |
| article html file updated | 27 December 2016 12:18 CET | Original file | - |
| article xml uploaded. | 27 December 2016 11:48 CET | Update | https://www.mdpi.com/1424-8220/17/1/44/xml |
| article xml uploaded. | 27 December 2016 11:48 CET | Original file | - |
| article pdf uploaded. | 27 December 2016 11:48 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/44/pdf |
