| article html file updated | 8 February 2020 04:11 CET | Update | https://www.mdpi.com/1424-8220/17/4/928 |
| article html file updated | 24 September 2019 11:15 CEST | Update | - |
| article html file updated | 4 May 2019 01:05 CEST | Update | - |
| article html file updated | 29 April 2017 13:23 CEST | Update | - |
| article html file updated | 22 April 2017 12:32 CEST | Original file | - |
| article xml uploaded. | 22 April 2017 12:31 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/928/xml |
| article pdf uploaded. | 22 April 2017 12:31 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/928/pdf |
