| article html file updated | 15 July 2022 22:32 CEST | Update | https://www.mdpi.com/1424-8220/13/9/12132 |
| article html file updated | 6 February 2020 04:17 CET | Update | - |
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| article html file updated | 4 November 2013 10:29 CET | Original file | - |
| article xml file uploaded | 4 November 2013 10:29 CET | Original file | https://www.mdpi.com/1424-8220/13/9/12132/xml |
| article pdf uploaded. | 11 September 2013 15:58 CEST | Updated version of record | https://www.mdpi.com/1424-8220/13/9/12132/pdf |
| article pdf uploaded. | 10 September 2013 10:46 CEST | Version of Record | https://www.mdpi.com/1424-8220/13/9/12132/pdf-vor |
