| article html file updated | 6 February 2020 06:35 CET | Update | https://www.mdpi.com/1422-0067/15/1/545 |
| article html file updated | 7 May 2019 20:06 CEST | Update | - |
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| article html file updated | 19 August 2015 16:36 CEST | Update | - |
| article html file updated | 3 February 2014 10:40 CET | Original file | - |
| article xml file uploaded | 3 February 2014 10:40 CET | Original file | https://www.mdpi.com/1422-0067/15/1/545/xml |
| article pdf uploaded. | 6 January 2014 12:02 CET | Version of Record | https://www.mdpi.com/1422-0067/15/1/545/pdf |
