| article html file updated | 6 February 2020 06:06 CET | Update | https://www.mdpi.com/1422-0067/14/12/24087 |
| article html file updated | 7 May 2019 21:02 CEST | Update | - |
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| article html file updated | 19 August 2015 13:14 CEST | Update | - |
| article html file updated | 31 December 2013 09:27 CET | Original file | - |
| article xml file uploaded | 31 December 2013 09:27 CET | Original file | https://www.mdpi.com/1422-0067/14/12/24087/xml |
| article pdf uploaded. | 11 December 2013 11:47 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/24087/pdf |
