| article html file updated | 7 February 2020 22:40 CET | Update | https://www.mdpi.com/1099-4300/19/2/59 |
| article html file updated | 23 September 2019 03:56 CEST | Update | - |
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| article html file updated | 28 February 2017 10:53 CET | Update | - |
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| article xml uploaded. | 4 February 2017 10:26 CET | Original file | https://www.mdpi.com/1099-4300/19/2/59/xml |
| article pdf uploaded. | 4 February 2017 10:26 CET | Version of Record | https://www.mdpi.com/1099-4300/19/2/59/pdf |
