| article html file updated | 7 February 2020 11:13 CET | Update | https://www.mdpi.com/2220-9964/5/7/108 |
| article html file updated | 5 May 2019 11:02 CEST | Update | - |
| article html file updated | 27 March 2019 09:22 CET | Update | - |
| article html file updated | 27 July 2016 11:49 CEST | Update | - |
| article html file updated | 5 July 2016 08:20 CEST | Original file | - |
| article xml uploaded. | 5 July 2016 08:18 CEST | Update | https://www.mdpi.com/2220-9964/5/7/108/xml |
| article pdf uploaded. | 5 July 2016 08:18 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/7/108/pdf |
