| article html file updated | 6 February 2020 15:18 CET | Update | https://www.mdpi.com/1099-4300/17/1/401 |
| article html file updated | 20 September 2019 17:08 CEST | Update | - |
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| article html file updated | 21 August 2015 06:06 CEST | Update | - |
| article html file updated | 10 February 2015 03:53 CET | Original file | - |
| article xml file uploaded | 10 February 2015 03:53 CET | Original file | https://www.mdpi.com/1099-4300/17/1/401/xml |
| article pdf uploaded. | 19 January 2015 14:13 CET | Version of Record | https://www.mdpi.com/1099-4300/17/1/401/pdf |
