| article html file updated | 9 February 2020 10:05 CET | Update | https://www.mdpi.com/2077-1444/9/3/84 |
| article html file updated | 1 October 2019 16:38 CEST | Update | - |
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| article html file updated | 16 March 2018 09:28 CET | Original file | - |
| article xml uploaded. | 16 March 2018 09:27 CET | Original file | https://www.mdpi.com/2077-1444/9/3/84/xml |
| article pdf uploaded. | 16 March 2018 09:27 CET | Version of Record | https://www.mdpi.com/2077-1444/9/3/84/pdf |
