| article html file updated | 7 February 2020 19:42 CET | Update | https://www.mdpi.com/1424-8220/16/12/2140 |
| article html file updated | 22 September 2019 12:03 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:59 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:10 CET | Update | N/A |
| article html file updated | 15 December 2016 11:41 CET | Original file | N/A |
| article xml uploaded. | 15 December 2016 11:40 CET | Original file | https://www.mdpi.com/1424-8220/16/12/2140/xml |
| article pdf uploaded. | 15 December 2016 11:40 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2140/pdf |
