| article html file updated | 8 February 2020 02:49 CET | Update | https://www.mdpi.com/1424-8220/17/4/753 |
| article html file updated | 12 September 2019 09:25 CEST | Update | - |
| article html file updated | 12 September 2019 09:24 CEST | Update | - |
| article html file updated | 12 September 2019 09:23 CEST | Update | - |
| article html file updated | 4 May 2019 03:47 CEST | Update | - |
| article html file updated | 29 April 2017 13:48 CEST | Update | - |
| article html file updated | 14 April 2017 05:25 CEST | Update | - |
| article xml uploaded. | 14 April 2017 05:23 CEST | Update | https://www.mdpi.com/1424-8220/17/4/753/xml |
| article pdf uploaded. | 14 April 2017 05:23 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/753/pdf |
| article html file updated | 5 April 2017 09:18 CEST | Original file | - |
| article pdf uploaded. | 5 April 2017 09:17 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/753/pdf-vor |
| article pdf uploaded. | 2 April 2017 12:16 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/753/pdf-vor |
