| article html file updated | 8 February 2020 23:17 CET | Update | https://www.mdpi.com/1999-4907/8/12/482 |
| article html file updated | 29 September 2019 00:37 CEST | Update | - |
| article html file updated | 2 May 2019 10:20 CEST | Update | - |
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| article html file updated | 6 December 2017 10:04 CET | Original file | - |
| article xml uploaded. | 6 December 2017 10:02 CET | Original file | https://www.mdpi.com/1999-4907/8/12/482/xml |
| article pdf uploaded. | 6 December 2017 10:02 CET | Version of Record | https://www.mdpi.com/1999-4907/8/12/482/pdf |
