| article html file updated | 7 February 2020 11:33 CET | Update | https://www.mdpi.com/2220-9964/5/7/110 |
| article html file updated | 5 May 2019 10:26 CEST | Update | - |
| article html file updated | 27 March 2019 09:59 CET | Update | - |
| article html file updated | 27 July 2016 11:50 CEST | Update | - |
| article html file updated | 12 July 2016 13:36 CEST | Original file | - |
| article xml uploaded. | 12 July 2016 13:34 CEST | Original file | https://www.mdpi.com/2220-9964/5/7/110/xml |
| article pdf uploaded. | 12 July 2016 13:34 CEST | Version of Record | https://www.mdpi.com/2220-9964/5/7/110/pdf |
