| article html file updated | 8 February 2020 10:38 CET | Update | https://www.mdpi.com/1999-4915/9/7/180 |
| article html file updated | 3 May 2019 13:05 CEST | Update | - |
| article html file updated | 2 August 2017 06:23 CEST | Update | - |
| article html file updated | 18 July 2017 04:22 CEST | Update | - |
| article html file updated | 18 July 2017 04:21 CEST | Update | - |
| article html file updated | 18 July 2017 04:21 CEST | Original file | - |
| article xml uploaded. | 18 July 2017 04:20 CEST | Original file | https://www.mdpi.com/1999-4915/9/7/180/xml |
| article pdf uploaded. | 18 July 2017 04:20 CEST | Updated version of record | https://www.mdpi.com/1999-4915/9/7/180/pdf |
| article pdf uploaded. | 10 July 2017 16:07 CEST | Version of Record | https://www.mdpi.com/1999-4915/9/7/180/pdf-vor |
