| article html file updated | 7 February 2020 19:23 CET | Update | https://www.mdpi.com/1424-8220/16/12/2097 |
| article html file updated | 22 September 2019 10:15 CEST | Update | - |
| article html file updated | 4 May 2019 19:42 CEST | Update | - |
| article html file updated | 27 December 2016 13:01 CET | Update | - |
| article html file updated | 9 December 2016 15:07 CET | Original file | - |
| article xml uploaded. | 9 December 2016 15:06 CET | Original file | https://www.mdpi.com/1424-8220/16/12/2097/xml |
| article pdf uploaded. | 9 December 2016 15:06 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2097/pdf |
