| article html file updated | 6 February 2020 22:25 CET | Update | https://www.mdpi.com/2072-6651/7/9/3538 |
| article html file updated | 21 September 2019 02:51 CEST | Update | - |
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| article html file updated | 28 September 2015 11:54 CEST | Original file | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Original file | https://www.mdpi.com/2072-6651/7/9/3538/xml |
| article pdf uploaded. | 2 September 2015 16:47 CEST | Version of Record | https://www.mdpi.com/2072-6651/7/9/3538/pdf |
