| article html file updated | 8 February 2020 02:46 CET | Update | https://www.mdpi.com/1424-8220/17/4/748 |
| article html file updated | 24 September 2019 03:11 CEST | Update | - |
| article html file updated | 4 May 2019 03:54 CEST | Update | - |
| article html file updated | 29 April 2017 13:47 CEST | Update | - |
| article html file updated | 14 April 2017 11:56 CEST | Update | - |
| article xml uploaded. | 14 April 2017 11:55 CEST | Update | https://www.mdpi.com/1424-8220/17/4/748/xml |
| article pdf uploaded. | 14 April 2017 11:55 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/748/pdf |
| article html file updated | 1 April 2017 10:40 CEST | Original file | - |
| article pdf uploaded. | 1 April 2017 10:38 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/748/pdf-vor |
