| article html file updated | 8 February 2020 09:48 CET | Update | https://www.mdpi.com/2220-9964/6/7/195 |
| article html file updated | 25 September 2019 16:38 CEST | Update | - |
| article html file updated | 3 May 2019 14:35 CEST | Update | - |
| article html file updated | 31 July 2017 07:37 CEST | Update | - |
| article html file updated | 5 July 2017 10:25 CEST | Original file | - |
| article xml uploaded. | 5 July 2017 10:24 CEST | Original file | https://www.mdpi.com/2220-9964/6/7/195/xml |
| article pdf uploaded. | 5 July 2017 10:24 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/7/195/pdf |
| article pdf uploaded. | 1 July 2017 11:42 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/7/195/pdf-vor |
