| article html file updated | 9 February 2020 04:00 CET | Update | https://www.mdpi.com/2227-9032/6/1/10 |
| article html file updated | 30 September 2019 03:32 CEST | Update | - |
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| article html file updated | 23 January 2018 16:47 CET | Original file | - |
| article xml uploaded. | 23 January 2018 16:46 CET | Original file | https://www.mdpi.com/2227-9032/6/1/10/xml |
| article pdf uploaded. | 23 January 2018 16:46 CET | Version of Record | https://www.mdpi.com/2227-9032/6/1/10/pdf |
