| article html file updated | 10 February 2020 08:23 CET | Update | https://www.mdpi.com/2075-4701/8/9/686 |
| article html file updated | 7 October 2019 06:18 CEST | Update | - |
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| article html file updated | 26 September 2018 12:54 CEST | Update | - |
| article html file updated | 31 August 2018 06:37 CEST | Original file | - |
| article pdf uploaded. | 31 August 2018 06:35 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/9/686/pdf |
| article xml uploaded. | 31 August 2018 06:35 CEST | Update | https://www.mdpi.com/2075-4701/8/9/686/xml |
| article xml file uploaded | 31 August 2018 06:35 CEST | Original file | - |