| article html file updated | 6 February 2020 01:52 CET | Update | https://www.mdpi.com/1422-0067/14/5/9536 |
| article html file updated | 8 May 2019 05:37 CEST | Update | - |
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| article html file updated | 25 July 2013 15:08 CEST | Update | - |
| article xml file uploaded | 25 July 2013 15:08 CEST | Update | https://www.mdpi.com/1422-0067/14/5/9536/xml |
| article html file updated | 10 June 2013 09:03 CEST | Original file | - |
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| article pdf uploaded. | 2 May 2013 11:10 CEST | Version of Record | https://www.mdpi.com/1422-0067/14/5/9536/pdf |