| article html file updated | 6 February 2020 05:05 CET | Update | https://www.mdpi.com/2076-0825/2/4/111 |
| article html file updated | 7 May 2019 22:58 CEST | Update | - |
| article html file updated | 21 March 2019 06:27 CET | Update | - |
| article html file updated | 17 June 2015 14:10 CEST | Update | - |
| article html file updated | 19 December 2013 09:01 CET | Original file | - |
| article xml uploaded. | 19 December 2013 09:01 CET | Original file | https://www.mdpi.com/2076-0825/2/4/111/xml |
| article pdf uploaded. | 19 December 2013 09:01 CET | Updated version of record | https://www.mdpi.com/2076-0825/2/4/111/pdf |
| article pdf uploaded. | 10 December 2013 16:33 CET | Updated version of record | https://www.mdpi.com/2076-0825/2/4/111/pdf-vor |
| article pdf uploaded. | 9 December 2013 14:23 CET | Updated version of record | https://www.mdpi.com/2076-0825/2/4/111/pdf-vor |
| article pdf uploaded. | 22 October 2013 17:30 CEST | Version of Record | https://www.mdpi.com/2076-0825/2/4/111/pdf-vor |
