| article html file updated | 12 August 2026 13:21 CEST | Update | https://www.mdpi.com/1422-8599/2011/1/M722 |
| article html file updated | 5 February 2020 16:54 CET | Update | N/A |
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| article xml uploaded. | 25 September 2017 04:29 CEST | Original file | https://www.mdpi.com/1422-8599/2011/1/M722/xml |
| article html file updated | 14 December 2016 11:58 CET | Original file | N/A |
