| article html file updated | 12 August 2026 22:56 CEST | Update | https://www.mdpi.com/2073-4360/6/3/667 |
| article html file updated | 6 February 2020 07:48 CET | Update | N/A |
| article html file updated | 7 May 2019 17:32 CEST | Update | N/A |
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| article html file updated | 24 June 2014 12:22 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:22 CEST | Original file | https://www.mdpi.com/2073-4360/6/3/667/xml |
| article pdf uploaded. | 11 March 2014 16:22 CET | Updated version of record | https://www.mdpi.com/2073-4360/6/3/667/pdf |
| article pdf uploaded. | 10 March 2014 10:36 CET | Version of Record | https://www.mdpi.com/2073-4360/6/3/667/pdf-vor |
