| article html file updated | 7 February 2020 07:10 CET | Update | https://www.mdpi.com/1099-4300/18/4/135 |
| article html file updated | 5 May 2019 18:49 CEST | Update | - |
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| article html file updated | 27 April 2016 11:27 CEST | Update | - |
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| article xml uploaded. | 13 April 2016 10:30 CEST | Original file | https://www.mdpi.com/1099-4300/18/4/135/xml |
| article pdf uploaded. | 13 April 2016 10:30 CEST | Version of Record | https://www.mdpi.com/1099-4300/18/4/135/pdf |
