| article html file updated | 7 February 2020 22:54 CET | Update | https://www.mdpi.com/1424-8220/17/2/318 |
| article html file updated | 23 September 2019 05:18 CEST | Update | - |
| article html file updated | 4 May 2019 12:13 CEST | Update | - |
| article html file updated | 2 March 2017 11:26 CET | Update | - |
| article html file updated | 13 February 2017 12:29 CET | Original file | - |
| article xml uploaded. | 13 February 2017 12:27 CET | Update | https://www.mdpi.com/1424-8220/17/2/318/xml |
| article xml uploaded. | 13 February 2017 12:27 CET | Original file | - |
| article pdf uploaded. | 13 February 2017 12:27 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/318/pdf |
| article pdf uploaded. | 8 February 2017 12:57 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/318/pdf-vor |
