| article html file updated | 8 February 2020 03:50 CET | Update | https://www.mdpi.com/1424-8220/17/4/889 |
| article html file updated | 24 September 2019 09:17 CEST | Update | - |
| article html file updated | 4 May 2019 01:44 CEST | Update | - |
| article html file updated | 29 April 2017 14:19 CEST | Update | - |
| article html file updated | 19 April 2017 16:10 CEST | Original file | - |
| article xml uploaded. | 19 April 2017 16:09 CEST | Update | https://www.mdpi.com/1424-8220/17/4/889/xml |
| article pdf uploaded. | 19 April 2017 16:09 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/889/pdf |
| article pdf uploaded. | 18 April 2017 15:44 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/889/pdf-vor |
