| article html file updated | 6 February 2020 10:46 CET | Update | https://www.mdpi.com/1422-0067/15/7/12698 |
| article html file updated | 7 May 2019 11:30 CEST | Update | - |
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| article html file updated | 20 August 2014 04:57 CEST | Update | - |
| article xml file uploaded | 20 August 2014 04:57 CEST | Update | https://www.mdpi.com/1422-0067/15/7/12698/xml |
| article html file updated | 18 August 2014 09:46 CEST | Update | - |
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| article html file updated | 13 August 2014 17:02 CEST | Original file | - |
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| article pdf uploaded. | 17 July 2014 11:50 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/7/12698/pdf |