| article html file updated | 7 February 2020 20:03 CET | Update | https://www.mdpi.com/1424-8220/16/12/2201 |
| article html file updated | 22 September 2019 13:49 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:20 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:20 CET | Update | N/A |
| article html file updated | 21 December 2016 10:27 CET | Original file | N/A |
| article xml uploaded. | 21 December 2016 10:25 CET | Original file | https://www.mdpi.com/1424-8220/16/12/2201/xml |
| article pdf uploaded. | 21 December 2016 10:25 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2201/pdf |
