| article html file updated | 8 February 2020 22:11 CET | Update | https://www.mdpi.com/2072-6643/9/12/1284 |
| article html file updated | 28 September 2019 17:53 CEST | Update | - |
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| article html file updated | 2 January 2018 13:04 CET | Update | - |
| article html file updated | 24 November 2017 13:23 CET | Original file | - |
| article xml uploaded. | 24 November 2017 13:22 CET | Original file | https://www.mdpi.com/2072-6643/9/12/1284/xml |
| article pdf uploaded. | 24 November 2017 13:22 CET | Version of Record | https://www.mdpi.com/2072-6643/9/12/1284/pdf |
