| article html file updated | 7 February 2020 22:55 CET | Update | https://www.mdpi.com/1424-8220/17/2/314 |
| article html file updated | 23 September 2019 05:21 CEST | Update | - |
| article html file updated | 4 May 2019 12:13 CEST | Update | - |
| article html file updated | 2 March 2017 11:25 CET | Update | - |
| article html file updated | 15 February 2017 10:48 CET | Original file | - |
| article xml uploaded. | 15 February 2017 10:46 CET | Original file | https://www.mdpi.com/1424-8220/17/2/314/xml |
| article pdf uploaded. | 15 February 2017 10:46 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/314/pdf |
| article pdf uploaded. | 8 February 2017 13:34 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/314/pdf-vor |
