| article html file updated | 7 February 2020 19:49 CET | Update | https://www.mdpi.com/1424-8220/16/12/2161 |
| article html file updated | 22 September 2019 12:33 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:48 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:14 CET | Update | N/A |
| article html file updated | 16 December 2016 12:40 CET | Original file | N/A |
| article xml uploaded. | 16 December 2016 12:38 CET | Update | https://www.mdpi.com/1424-8220/16/12/2161/xml |
| article xml uploaded. | 16 December 2016 12:38 CET | Original file | N/A |
| article pdf uploaded. | 16 December 2016 12:38 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2161/pdf |
