| article html file updated | 7 February 2020 21:40 CET | Update | https://www.mdpi.com/1424-8220/17/1/172 |
| article html file updated | 22 September 2019 22:29 CEST | Update | - |
| article html file updated | 4 May 2019 14:46 CEST | Update | - |
| article html file updated | 8 February 2017 10:00 CET | Update | - |
| article html file updated | 18 January 2017 06:28 CET | Original file | - |
| article xml uploaded. | 18 January 2017 06:27 CET | Update | https://www.mdpi.com/1424-8220/17/1/172/xml |
| article xml uploaded. | 18 January 2017 06:27 CET | Original file | - |
| article pdf uploaded. | 18 January 2017 06:27 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/172/pdf |
