| article html file updated | 6 February 2020 00:06 CET | Update | https://www.mdpi.com/1660-4601/10/1/399 |
| article html file updated | 8 May 2019 09:34 CEST | Update | - |
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| article html file updated | 15 February 2013 10:40 CET | Update | - |
| article xml uploaded. | 15 February 2013 10:40 CET | Update | https://www.mdpi.com/1660-4601/10/1/399/xml |
| article html file updated | 8 February 2013 09:35 CET | Update | - |
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| article html file updated | 5 February 2013 10:28 CET | Update | - |
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| article html file updated | 24 January 2013 12:30 CET | Original file | - |
| article pdf uploaded. | 24 January 2013 08:28 CET | Updated version of record | https://www.mdpi.com/1660-4601/10/1/399/pdf |
| article pdf uploaded. | 21 January 2013 09:00 CET | Version of Record | https://www.mdpi.com/1660-4601/10/1/399/pdf-vor |