| article html file updated | 9 February 2020 00:31 CET | Update | https://www.mdpi.com/2077-1444/8/12/275 |
| article html file updated | 2 May 2019 07:37 CEST | Update | - |
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| article html file updated | 19 December 2017 10:29 CET | Original file | - |
| article xml uploaded. | 19 December 2017 10:27 CET | Original file | https://www.mdpi.com/2077-1444/8/12/275/xml |
| article pdf uploaded. | 19 December 2017 10:27 CET | Version of Record | https://www.mdpi.com/2077-1444/8/12/275/pdf |
