| article html file updated | 10 February 2020 21:04 CET | Update | https://www.mdpi.com/2073-4344/8/11/540 |
| article html file updated | 10 October 2019 09:17 CEST | Update | - |
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| article html file updated | 26 November 2018 04:07 CET | Update | - |
| article html file updated | 13 November 2018 10:07 CET | Original file | - |
| article pdf uploaded. | 13 November 2018 10:06 CET | Version of Record | https://www.mdpi.com/2073-4344/8/11/540/pdf |
| article xml uploaded. | 13 November 2018 10:06 CET | Update | https://www.mdpi.com/2073-4344/8/11/540/xml |
| article xml file uploaded | 13 November 2018 10:06 CET | Original file | - |
