| article html file updated | 7 February 2020 18:34 CET | Update | https://www.mdpi.com/1099-4300/18/12/421 |
| article html file updated | 22 September 2019 06:45 CEST | Update | - |
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| article html file updated | 27 December 2016 11:24 CET | Update | - |
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| article xml uploaded. | 24 November 2016 13:34 CET | Original file | https://www.mdpi.com/1099-4300/18/12/421/xml |
| article pdf uploaded. | 24 November 2016 13:34 CET | Version of Record | https://www.mdpi.com/1099-4300/18/12/421/pdf |
