| article html file updated | 8 February 2020 03:00 CET | Update | https://www.mdpi.com/1424-8220/17/4/787 |
| article html file updated | 24 September 2019 04:34 CEST | Update | - |
| article html file updated | 4 May 2019 03:21 CEST | Update | - |
| article html file updated | 29 April 2017 13:55 CEST | Update | - |
| article html file updated | 8 April 2017 05:10 CEST | Original file | - |
| article xml uploaded. | 8 April 2017 05:08 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/787/xml |
| article pdf uploaded. | 8 April 2017 05:08 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/787/pdf |
| article pdf uploaded. | 6 April 2017 12:04 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/787/pdf-vor |
