| article html file updated | 6 February 2020 23:16 CET | Update | https://www.mdpi.com/2075-4701/5/4/1788 |
| article html file updated | 6 May 2019 10:22 CEST | Update | - |
| article html file updated | 26 March 2019 11:39 CET | Original file | - |
| article pdf uploaded. | 25 September 2015 16:46 CEST | Updated version of record | https://www.mdpi.com/2075-4701/5/4/1788/pdf |
| article pdf uploaded. | 25 September 2015 16:46 CEST | Version of Record | - |
