| article html file updated | 7 February 2020 01:53 CET | Update | https://www.mdpi.com/2304-6732/2/4/1152 |
| article html file updated | 6 May 2019 05:41 CEST | Update | N/A |
| article html file updated | 26 March 2019 15:56 CET | Original file | N/A |
| article pdf uploaded. | 8 December 2015 11:43 CET | Updated version of record | https://www.mdpi.com/2304-6732/2/4/1152/pdf |
| article pdf uploaded. | 7 December 2015 16:02 CET | Version of Record | https://www.mdpi.com/2304-6732/2/4/1152/pdf-vor |
| article xml uploaded. | 7 December 2015 16:02 CET | Original file | https://www.mdpi.com/2304-6732/2/4/1152/xml |
