| article html file updated | 8 February 2020 04:11 CET | Update | https://www.mdpi.com/1424-8220/17/4/930 |
| article html file updated | 24 September 2019 11:16 CEST | Update | - |
| article html file updated | 4 May 2019 01:05 CEST | Update | - |
| article html file updated | 29 April 2017 13:24 CEST | Update | - |
| article html file updated | 24 April 2017 14:23 CEST | Original file | - |
| article xml uploaded. | 24 April 2017 14:22 CEST | Update | https://www.mdpi.com/1424-8220/17/4/930/xml |
| article pdf uploaded. | 24 April 2017 14:22 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/930/pdf |
| article pdf uploaded. | 22 April 2017 12:43 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/930/pdf-vor |
