| article html file updated | 6 February 2020 00:22 CET | Update | https://www.mdpi.com/1660-4601/10/2/623 |
| article html file updated | 8 May 2019 08:54 CEST | Update | - |
| article html file updated | 20 March 2019 18:09 CET | Update | - |
| article html file updated | 17 June 2015 06:07 CEST | Update | - |
| article html file updated | 8 February 2013 09:49 CET | Update | - |
| article html file updated | 6 February 2013 16:47 CET | Original file | - |
| article xml uploaded. | 6 February 2013 16:47 CET | Original file | https://www.mdpi.com/1660-4601/10/2/623/xml |
| article pdf uploaded. | 5 February 2013 16:01 CET | Updated version of record | https://www.mdpi.com/1660-4601/10/2/623/pdf |
| article pdf uploaded. | 4 February 2013 09:37 CET | Version of Record | https://www.mdpi.com/1660-4601/10/2/623/pdf-vor |
