| article html file updated | 7 February 2020 21:29 CET | Update | https://www.mdpi.com/1424-8220/17/1/151 |
| article html file updated | 22 September 2019 21:32 CEST | Update | - |
| article html file updated | 4 May 2019 15:15 CEST | Update | - |
| article html file updated | 8 February 2017 09:56 CET | Update | - |
| article html file updated | 14 January 2017 09:27 CET | Original file | - |
| article xml uploaded. | 14 January 2017 09:26 CET | Original file | https://www.mdpi.com/1424-8220/17/1/151/xml |
| article pdf uploaded. | 14 January 2017 09:26 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/151/pdf |
