| article html file updated | 29 August 2025 20:49 CEST | Update | https://www.mdpi.com/2218-1989/3/4/1011 |
| article html file updated | 15 July 2022 22:39 CEST | Update | - |
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| article html file updated | 18 March 2014 09:54 CET | Original file | - |
| article xml file uploaded | 18 March 2014 09:54 CET | Original file | https://www.mdpi.com/2218-1989/3/4/1011/xml |
| article pdf uploaded. | 1 November 2013 14:45 CET | Updated version of record | https://www.mdpi.com/2218-1989/3/4/1011/pdf |
| article supplementary file uploaded. | 31 October 2013 13:42 CET | - | https://www.mdpi.com/2218-1989/3/4/1011#supplementary |
| article pdf uploaded. | 31 October 2013 13:42 CET | Version of Record | https://www.mdpi.com/2218-1989/3/4/1011/pdf-vor |
