| article html file updated | 6 February 2020 04:25 CET | Update | https://www.mdpi.com/1660-4601/10/9/4432 |
| article html file updated | 20 September 2019 01:07 CEST | Update | - |
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| article html file updated | 21 March 2019 04:39 CET | Update | - |
| article html file updated | 17 June 2015 13:18 CEST | Update | - |
| article html file updated | 25 October 2013 09:35 CEST | Original file | - |
| article xml file uploaded | 25 October 2013 09:35 CEST | Original file | https://www.mdpi.com/1660-4601/10/9/4432/xml |
| article pdf uploaded. | 17 September 2013 13:33 CEST | Version of Record | https://www.mdpi.com/1660-4601/10/9/4432/pdf |
