| article html file updated | 8 February 2020 09:00 CET | Update | https://www.mdpi.com/2220-9964/6/7/186 |
| article html file updated | 25 September 2019 12:15 CEST | Update | - |
| article html file updated | 3 May 2019 16:05 CEST | Update | - |
| article html file updated | 31 July 2017 07:34 CEST | Update | - |
| article html file updated | 22 June 2017 14:01 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 14:00 CEST | Original file | https://www.mdpi.com/2220-9964/6/7/186/xml |
| article pdf uploaded. | 22 June 2017 14:00 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/7/186/pdf |
