| article html file updated | 8 February 2020 04:13 CET | Update | https://www.mdpi.com/1424-8220/17/4/934 |
| article html file updated | 24 September 2019 11:26 CEST | Update | - |
| article html file updated | 4 May 2019 01:02 CEST | Update | - |
| article html file updated | 29 April 2017 13:25 CEST | Update | - |
| article html file updated | 24 April 2017 11:31 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 11:30 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/934/xml |
| article pdf uploaded. | 24 April 2017 11:30 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/934/pdf |
| article pdf uploaded. | 23 April 2017 11:56 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/934/pdf-vor |
