| article html file updated | 8 February 2020 03:23 CET | Update | https://www.mdpi.com/1424-8220/17/4/843 |
| article html file updated | 24 September 2019 06:40 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:35 CEST | Update | N/A |
| article html file updated | 29 April 2017 14:08 CEST | Update | N/A |
| article html file updated | 12 April 2017 13:47 CEST | Original file | N/A |
| article xml uploaded. | 12 April 2017 13:45 CEST | Update | https://www.mdpi.com/1424-8220/17/4/843/xml |
| article pdf uploaded. | 12 April 2017 13:45 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/843/pdf |
