| article html file updated | 8 February 2020 03:16 CET | Update | https://www.mdpi.com/1424-8220/17/4/816 |
| article html file updated | 24 September 2019 06:02 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:49 CEST | Update | N/A |
| article html file updated | 29 April 2017 14:03 CEST | Update | N/A |
| article html file updated | 10 April 2017 14:52 CEST | Original file | N/A |
| article xml uploaded. | 10 April 2017 14:50 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/816/xml |
| article pdf uploaded. | 10 April 2017 14:50 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/816/pdf |
