| article html file updated | 7 February 2020 21:35 CET | Update | https://www.mdpi.com/1424-8220/17/1/169 |
| article html file updated | 22 September 2019 22:01 CEST | Update | - |
| article html file updated | 4 May 2019 14:59 CEST | Update | - |
| article html file updated | 8 February 2017 09:59 CET | Update | - |
| article html file updated | 17 January 2017 07:42 CET | Original file | - |
| article xml uploaded. | 17 January 2017 07:41 CET | Update | https://www.mdpi.com/1424-8220/17/1/169/xml |
| article xml uploaded. | 17 January 2017 07:41 CET | Original file | - |
| article pdf uploaded. | 17 January 2017 07:41 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/169/pdf |
