| article html file updated | 6 February 2020 02:47 CET | Update | https://www.mdpi.com/1422-0067/14/7/12978 |
| article html file updated | 8 May 2019 03:42 CEST | Update | - |
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| article html file updated | 17 June 2015 10:30 CEST | Update | - |
| article html file updated | 14 August 2013 09:50 CEST | Original file | - |
| article xml file uploaded | 14 August 2013 09:49 CEST | Original file | https://www.mdpi.com/1422-0067/14/7/12978/xml |
| article pdf uploaded. | 24 June 2013 17:18 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/7/12978/pdf |
