| article html file updated | 8 February 2020 01:07 CET | Update | https://new.mdpi.com/2079-3197/5/1/15 |
| article html file updated | 23 September 2019 17:54 CEST | Update | - |
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| article html file updated | 29 March 2017 08:49 CEST | Update | - |
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| article xml uploaded. | 9 March 2017 11:18 CET | Original file | https://new.mdpi.com/2079-3197/5/1/15/xml |
| article pdf uploaded. | 9 March 2017 11:18 CET | Version of Record | https://new.mdpi.com/2079-3197/5/1/15/pdf |
