| article html file updated | 8 February 2020 05:33 CET | Update | https://new.mdpi.com/2075-4698/7/2/13 |
| article html file updated | 24 September 2019 18:21 CEST | Update | - |
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| article xml uploaded. | 11 May 2017 06:25 CEST | Original file | https://new.mdpi.com/2075-4698/7/2/13/xml |
| article pdf uploaded. | 11 May 2017 06:25 CEST | Version of Record | https://new.mdpi.com/2075-4698/7/2/13/pdf |
