| article html file updated | 7 February 2020 13:21 CET | Update | https://www.mdpi.com/2077-0383/5/8/71 |
| article html file updated | 5 May 2019 07:04 CEST | Update | - |
| article html file updated | 27 March 2019 13:41 CET | Update | - |
| article html file updated | 26 August 2016 07:51 CEST | Update | - |
| article html file updated | 16 August 2016 09:39 CEST | Original file | - |
| article xml uploaded. | 16 August 2016 09:38 CEST | Original file | https://www.mdpi.com/2077-0383/5/8/71/xml |
| article pdf uploaded. | 16 August 2016 09:38 CEST | Version of Record | https://www.mdpi.com/2077-0383/5/8/71/pdf |
