| article html file updated | 7 February 2020 19:33 CET | Update | https://www.mdpi.com/1424-8220/16/12/2117 |
| article html file updated | 22 September 2019 11:11 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:23 CEST | Update | N/A |
| article html file updated | 27 December 2016 13:06 CET | Update | N/A |
| article html file updated | 21 December 2016 12:32 CET | Update | N/A |
| article xml uploaded. | 21 December 2016 12:30 CET | Update | https://www.mdpi.com/1424-8220/16/12/2117/xml |
| article pdf uploaded. | 21 December 2016 12:30 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/12/2117/pdf |
| article html file updated | 13 December 2016 12:08 CET | Original file | N/A |
| article xml uploaded. | 13 December 2016 12:06 CET | Update | N/A |
| article xml uploaded. | 13 December 2016 12:06 CET | Original file | N/A |
| article pdf uploaded. | 13 December 2016 12:06 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2117/pdf-vor |
