| article html file updated | 7 February 2020 21:40 CET | Update | https://www.mdpi.com/1424-8220/17/1/174 |
| article html file updated | 22 September 2019 22:30 CEST | Update | - |
| article html file updated | 4 May 2019 14:46 CEST | Update | - |
| article html file updated | 8 February 2017 10:01 CET | Update | - |
| article html file updated | 18 January 2017 06:32 CET | Original file | - |
| article xml uploaded. | 18 January 2017 06:30 CET | Update | https://www.mdpi.com/1424-8220/17/1/174/xml |
| article xml uploaded. | 18 January 2017 06:30 CET | Original file | - |
| article pdf uploaded. | 18 January 2017 06:30 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/174/pdf |
