| article html file updated | 9 February 2020 02:08 CET | Update | https://www.mdpi.com/1999-4915/10/1/27 |
| article html file updated | 29 September 2019 16:56 CEST | Update | - |
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| article html file updated | 5 January 2018 15:52 CET | Original file | - |
| article xml uploaded. | 5 January 2018 15:50 CET | Original file | https://www.mdpi.com/1999-4915/10/1/27/xml |
| article pdf uploaded. | 5 January 2018 15:50 CET | Version of Record | https://www.mdpi.com/1999-4915/10/1/27/pdf |
