| article html file updated | 7 February 2020 19:59 CET | Update | https://www.mdpi.com/1424-8220/16/12/2195 |
| article html file updated | 22 September 2019 13:28 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:29 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:19 CET | Update | N/A |
| article html file updated | 20 December 2016 10:38 CET | Original file | N/A |
| article xml uploaded. | 20 December 2016 10:37 CET | Update | https://www.mdpi.com/1424-8220/16/12/2195/xml |
| article xml uploaded. | 20 December 2016 10:37 CET | Original file | N/A |
| article pdf uploaded. | 20 December 2016 10:37 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2195/pdf |
