| article html file updated | 7 February 2020 21:03 CET | Update | https://www.mdpi.com/1424-8220/17/1/120 |
| article html file updated | 22 September 2019 19:27 CEST | Update | - |
| article html file updated | 4 May 2019 16:12 CEST | Update | - |
| article html file updated | 8 February 2017 09:47 CET | Update | - |
| article html file updated | 9 January 2017 12:13 CET | Original file | - |
| article xml uploaded. | 9 January 2017 12:12 CET | Update | https://www.mdpi.com/1424-8220/17/1/120/xml |
| article pdf uploaded. | 9 January 2017 12:12 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/120/pdf |
