| article html file updated | 29 August 2025 21:31 CEST | Update | https://www.mdpi.com/1660-4601/12/2/1969 |
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| article xml file uploaded | 3 March 2015 07:00 CET | Original file | https://www.mdpi.com/1660-4601/12/2/1969/xml |
| article pdf uploaded. | 11 February 2015 08:19 CET | Updated version of record | https://www.mdpi.com/1660-4601/12/2/1969/pdf |
| article pdf uploaded. | 11 February 2015 08:08 CET | Updated version of record | https://www.mdpi.com/1660-4601/12/2/1969/pdf-vor |
| article pdf uploaded. | 10 February 2015 11:45 CET | Version of Record | https://www.mdpi.com/1660-4601/12/2/1969/pdf-vor |
