| article html file updated | 9 February 2020 06:36 CET | Update | https://www.mdpi.com/1999-4893/11/2/22 |
| article html file updated | 30 September 2019 19:11 CEST | Update | N/A |
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| article html file updated | 14 March 2018 09:18 CET | Update | N/A |
| article html file updated | 13 February 2018 19:41 CET | Original file | N/A |
| article xml uploaded. | 13 February 2018 19:40 CET | Original file | https://www.mdpi.com/1999-4893/11/2/22/xml |
| article pdf uploaded. | 13 February 2018 19:40 CET | Version of Record | https://www.mdpi.com/1999-4893/11/2/22/pdf |
