| article html file updated | 7 February 2020 19:09 CET | Update | https://www.mdpi.com/1424-8220/16/12/2071 |
| article html file updated | 4 May 2019 20:13 CEST | Update | - |
| article html file updated | 27 December 2016 12:55 CET | Update | - |
| article html file updated | 6 December 2016 10:46 CET | Original file | - |
| article xml uploaded. | 6 December 2016 10:45 CET | Update | https://www.mdpi.com/1424-8220/16/12/2071/xml |
| article xml uploaded. | 6 December 2016 10:45 CET | Original file | - |
| article pdf uploaded. | 6 December 2016 10:45 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2071/pdf |
