| article html file updated | 13 August 2026 03:27 CEST | Update | https://www.mdpi.com/1422-0067/15/9/15456 |
| article html file updated | 6 February 2020 11:55 CET | Update | N/A |
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| article html file updated | 19 October 2014 15:59 CEST | Original file | N/A |
| article xml file uploaded | 19 October 2014 15:59 CEST | Original file | https://www.mdpi.com/1422-0067/15/9/15456/xml |
| article pdf uploaded. | 1 September 2014 10:23 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/9/15456/pdf |
