| article html file updated | 8 February 2020 15:02 CET | Update | https://www.mdpi.com/2073-4352/7/9/267 |
| article html file updated | 26 September 2019 21:15 CEST | Update | - |
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| article html file updated | 30 September 2017 08:42 CEST | Update | - |
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| article xml uploaded. | 1 September 2017 11:02 CEST | Original file | https://www.mdpi.com/2073-4352/7/9/267/xml |
| article pdf uploaded. | 1 September 2017 11:02 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/9/267/pdf |
