| article html file updated | 9 February 2020 14:17 CET | Update | https://www.mdpi.com/2075-4701/8/4/277 |
| article html file updated | 2 October 2019 17:35 CEST | Update | - |
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| article html file updated | 1 May 2018 08:11 CEST | Update | - |
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| article html file updated | 18 April 2018 09:06 CEST | Original file | - |
| article pdf uploaded. | 18 April 2018 09:05 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/277/pdf |
| article xml uploaded. | 18 April 2018 09:05 CEST | Update | https://www.mdpi.com/2075-4701/8/4/277/xml |
| article xml file uploaded | 18 April 2018 09:05 CEST | Original file | - |