| article html file updated | 8 February 2020 02:57 CET | Update | https://www.mdpi.com/1424-8220/17/4/778 |
| article html file updated | 24 September 2019 04:17 CEST | Update | N/A |
| article html file updated | 4 May 2019 03:28 CEST | Update | N/A |
| article html file updated | 29 April 2017 13:53 CEST | Update | N/A |
| article html file updated | 7 April 2017 04:19 CEST | Original file | N/A |
| article xml uploaded. | 7 April 2017 04:18 CEST | Update | https://www.mdpi.com/1424-8220/17/4/778/xml |
| article pdf uploaded. | 7 April 2017 04:18 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/778/pdf |
| article pdf uploaded. | 5 April 2017 12:12 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/778/pdf-vor |
