| article html file updated | 8 February 2020 00:03 CET | Update | https://www.mdpi.com/2077-0383/6/3/24 |
| article html file updated | 23 September 2019 11:38 CEST | Update | - |
| article html file updated | 4 May 2019 09:55 CEST | Update | - |
| article html file updated | 29 March 2017 05:44 CEST | Update | - |
| article html file updated | 23 February 2017 09:20 CET | Original file | - |
| article xml uploaded. | 23 February 2017 09:19 CET | Original file | https://www.mdpi.com/2077-0383/6/3/24/xml |
| article pdf uploaded. | 23 February 2017 09:19 CET | Version of Record | https://www.mdpi.com/2077-0383/6/3/24/pdf |
