| article html file updated | 9 February 2020 00:16 CET | Update | https://www.mdpi.com/2078-2489/8/4/162 |
| article html file updated | 29 September 2019 06:21 CEST | Update | - |
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| article html file updated | 2 January 2018 13:48 CET | Update | - |
| article html file updated | 15 December 2017 15:31 CET | Original file | - |
| article xml uploaded. | 15 December 2017 15:30 CET | Original file | https://www.mdpi.com/2078-2489/8/4/162/xml |
| article pdf uploaded. | 15 December 2017 15:30 CET | Version of Record | https://www.mdpi.com/2078-2489/8/4/162/pdf |
