| article html file updated | 7 February 2020 18:29 CET | Update | https://www.mdpi.com/1424-8220/16/11/1981 |
| article html file updated | 4 May 2019 21:36 CEST | Update | - |
| article html file updated | 2 December 2016 00:21 CET | Update | - |
| article html file updated | 23 November 2016 11:40 CET | Original file | - |
| article xml uploaded. | 23 November 2016 11:39 CET | Update | https://www.mdpi.com/1424-8220/16/11/1981/xml |
| article xml uploaded. | 23 November 2016 11:39 CET | Update | - |
| article xml uploaded. | 23 November 2016 11:38 CET | Original file | - |
| article pdf uploaded. | 23 November 2016 11:38 CET | Version of Record | https://www.mdpi.com/1424-8220/16/11/1981/pdf |
