| article html file updated | 8 February 2020 09:54 CET | Update | https://www.mdpi.com/2220-9964/6/7/198 |
| article html file updated | 25 September 2019 17:12 CEST | Update | - |
| article html file updated | 3 May 2019 14:24 CEST | Update | - |
| article html file updated | 31 July 2017 07:38 CEST | Update | - |
| article html file updated | 3 July 2017 09:48 CEST | Original file | - |
| article xml uploaded. | 3 July 2017 09:47 CEST | Original file | https://www.mdpi.com/2220-9964/6/7/198/xml |
| article pdf uploaded. | 3 July 2017 09:47 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/7/198/pdf |
