| article html file updated | 8 February 2020 15:10 CET | Update | https://www.mdpi.com/2073-8994/9/9/179 |
| article html file updated | 26 September 2019 22:02 CEST | Update | - |
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| article html file updated | 30 September 2017 15:48 CEST | Update | - |
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| article xml uploaded. | 2 September 2017 10:11 CEST | Original file | https://www.mdpi.com/2073-8994/9/9/179/xml |
| article pdf uploaded. | 2 September 2017 10:11 CEST | Version of Record | https://www.mdpi.com/2073-8994/9/9/179/pdf |
