| article html file updated | 6 February 2020 03:16 CET | Update | https://www.mdpi.com/1422-0067/14/7/14974 |
| article html file updated | 8 May 2019 02:45 CEST | Update | - |
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| article html file updated | 17 June 2015 11:26 CEST | Update | - |
| article html file updated | 14 August 2013 10:30 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 10:30 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/14974/xml |
| article pdf uploaded. | 17 July 2013 14:56 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/14974/pdf |
