| article html file updated | 7 February 2020 19:50 CET | Update | https://www.mdpi.com/1424-8220/16/12/2176 |
| article html file updated | 22 September 2019 12:39 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:46 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:17 CET | Update | N/A |
| article html file updated | 21 December 2016 11:00 CET | Original file | N/A |
| article xml uploaded. | 21 December 2016 10:59 CET | Original file | https://www.mdpi.com/1424-8220/16/12/2176/xml |
| article pdf uploaded. | 21 December 2016 10:59 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/12/2176/pdf |
| article pdf uploaded. | 17 December 2016 05:08 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2176/pdf-vor |
