| article html file updated | 12 August 2026 18:54 CEST | Update | https://www.mdpi.com/1999-4915/5/3/954 |
| article html file updated | 24 December 2025 13:36 CET | Update | N/A |
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| article html file updated | 17 June 2015 07:47 CEST | Original file | N/A |
| article pdf uploaded. | 25 March 2013 11:51 CET | Updated version of record | https://www.mdpi.com/1999-4915/5/3/954/pdf |
| article pdf uploaded. | 21 March 2013 10:50 CET | Version of Record | https://www.mdpi.com/1999-4915/5/3/954/pdf-vor |
