| article html file updated | 29 August 2025 20:28 CEST | Update | https://www.mdpi.com/2073-4425/3/4/651 |
| article html file updated | 15 July 2022 21:59 CEST | Update | N/A |
| article html file updated | 5 February 2020 22:20 CET | Update | N/A |
| article html file updated | 20 March 2019 13:24 CET | Update | N/A |
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| article html file updated | 7 February 2013 15:40 CET | Update | N/A |
| article html file updated | 31 January 2013 10:39 CET | Update | N/A |
| article xml file uploaded | 31 January 2013 10:38 CET | Original file | https://www.mdpi.com/2073-4425/3/4/651/xml |
| article html file updated | 24 January 2013 04:44 CET | Original file | N/A |
