| article html file updated | 7 February 2020 08:17 CET | Update | https://www.mdpi.com/2077-1444/7/5/48 |
| article html file updated | 21 September 2019 16:36 CEST | Update | - |
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| article html file updated | 6 May 2016 10:53 CEST | Original file | - |
| article xml uploaded. | 6 May 2016 10:51 CEST | Original file | https://www.mdpi.com/2077-1444/7/5/48/xml |
| article pdf uploaded. | 6 May 2016 10:51 CEST | Version of Record | https://www.mdpi.com/2077-1444/7/5/48/pdf |
