| article html file updated | 6 February 2020 14:36 CET | Update | https://www.mdpi.com/1422-0067/15/12/23725 |
| article html file updated | 7 May 2019 03:41 CEST | Update | - |
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| article html file updated | 21 August 2015 04:28 CEST | Update | - |
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| article xml file uploaded | 6 January 2015 09:18 CET | Original file | https://www.mdpi.com/1422-0067/15/12/23725/xml |
| article pdf uploaded. | 19 December 2014 13:52 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/23725/pdf |
