| article html file updated | 7 February 2020 00:42 CET | Update | https://www.mdpi.com/2304-6732/2/4/1065 |
| article html file updated | 6 May 2019 07:30 CEST | Update | N/A |
| article html file updated | 26 March 2019 14:18 CET | Original file | N/A |
| article pdf uploaded. | 9 November 2015 09:14 CET | Updated version of record | https://www.mdpi.com/2304-6732/2/4/1065/pdf |
| article pdf uploaded. | 6 November 2015 15:42 CET | Version of Record | https://www.mdpi.com/2304-6732/2/4/1065/pdf-vor |
