| article html file updated | 8 February 2020 02:12 CET | Update | https://www.mdpi.com/2072-4292/9/4/307 |
| article html file updated | 23 September 2019 23:58 CEST | Update | - |
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| article html file updated | 24 March 2017 12:15 CET | Original file | - |
| article xml uploaded. | 24 March 2017 12:13 CET | Update | https://www.mdpi.com/2072-4292/9/4/307/xml |
| article pdf uploaded. | 24 March 2017 12:13 CET | Version of Record | https://www.mdpi.com/2072-4292/9/4/307/pdf |
