| article html file updated | 7 February 2020 19:53 CET | Update | https://www.mdpi.com/1424-8220/16/12/2179 |
| article html file updated | 22 September 2019 12:56 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:39 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:17 CET | Update | N/A |
| article html file updated | 20 December 2016 07:16 CET | Original file | N/A |
| article xml uploaded. | 20 December 2016 07:14 CET | Original file | https://www.mdpi.com/1424-8220/16/12/2179/xml |
| article pdf uploaded. | 20 December 2016 07:14 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/12/2179/pdf |
| article pdf uploaded. | 18 December 2016 07:58 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2179/pdf-vor |
