| article html file updated | 23 October 2025 06:20 CEST | Update | https://www.mdpi.com/2076-2615/4/2/200 |
| article html file updated | 6 February 2020 08:52 CET | Update | - |
| article html file updated | 21 March 2019 16:09 CET | Update | - |
| article html file updated | 20 August 2015 04:34 CEST | Update | - |
| article html file updated | 10 November 2014 07:31 CET | Update | - |
| article xml file uploaded | 10 November 2014 07:31 CET | Update | https://www.mdpi.com/2076-2615/4/2/200/xml |
| article html file updated | 24 June 2014 12:01 CEST | Original file | - |
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| article pdf uploaded. | 28 April 2014 11:03 CEST | Updated version of record | https://www.mdpi.com/2076-2615/4/2/200/pdf |
| article pdf uploaded. | 28 April 2014 08:34 CEST | Updated version of record | https://www.mdpi.com/2076-2615/4/2/200/pdf-vor |
| article pdf uploaded. | 25 April 2014 10:46 CEST | Version of Record | https://www.mdpi.com/2076-2615/4/2/200/pdf-vor |
