| article html file updated | 6 February 2020 14:04 CET | Update | https://www.mdpi.com/1422-0067/15/12/22042 |
| article html file updated | 7 May 2019 04:43 CEST | Update | - |
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| article html file updated | 21 August 2015 03:00 CEST | Update | - |
| article html file updated | 6 January 2015 09:16 CET | Original file | - |
| article xml file uploaded | 6 January 2015 09:16 CET | Original file | https://www.mdpi.com/1422-0067/15/12/22042/xml |
| article pdf uploaded. | 1 December 2014 10:33 CET | Version of Record | https://www.mdpi.com/1422-0067/15/12/22042/pdf |
