| article html file updated | 7 February 2020 20:02 CET | Update | https://www.mdpi.com/1424-8220/16/12/2203 |
| article html file updated | 4 May 2019 18:23 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:21 CET | Update | N/A |
| article html file updated | 21 December 2016 09:10 CET | Original file | N/A |
| article xml uploaded. | 21 December 2016 09:09 CET | Update | https://www.mdpi.com/1424-8220/16/12/2203/xml |
| article xml uploaded. | 21 December 2016 09:09 CET | Original file | N/A |
| article pdf uploaded. | 21 December 2016 09:09 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2203/pdf |
