| article html file updated | 8 February 2020 02:14 CET | Update | https://www.mdpi.com/2072-6651/9/4/115 |
| article html file updated | 24 September 2019 00:07 CEST | Update | - |
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| article html file updated | 24 March 2017 14:29 CET | Original file | - |
| article xml uploaded. | 24 March 2017 14:28 CET | Original file | https://www.mdpi.com/2072-6651/9/4/115/xml |
| article pdf uploaded. | 24 March 2017 14:28 CET | Version of Record | https://www.mdpi.com/2072-6651/9/4/115/pdf |
