| article html file updated | 7 February 2020 19:53 CET | Update | https://www.mdpi.com/1424-8220/16/12/2180 |
| article html file updated | 22 September 2019 12:54 CEST | Update | - |
| article html file updated | 4 May 2019 18:40 CEST | Update | - |
| article html file updated | 27 December 2016 13:17 CET | Update | - |
| article html file updated | 19 December 2016 12:40 CET | Original file | - |
| article xml uploaded. | 19 December 2016 12:39 CET | Original file | https://www.mdpi.com/1424-8220/16/12/2180/xml |
| article pdf uploaded. | 19 December 2016 12:39 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/12/2180/pdf |
| article pdf uploaded. | 18 December 2016 07:02 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2180/pdf-vor |
