| article html file updated | 12 August 2026 17:46 CEST | Update | https://www.mdpi.com/1999-4915/5/2/550 |
| article html file updated | 6 February 2020 00:20 CET | Update | N/A |
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| article supplementary file uploaded. | 22 February 2013 16:10 CET | - | https://www.mdpi.com/1999-4915/5/2/550#supplementary |
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| article pdf uploaded. | 12 February 2013 09:14 CET | Updated version of record | https://www.mdpi.com/1999-4915/5/2/550/pdf |
| article html file updated | 8 February 2013 09:48 CET | Original file | N/A |
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