| article html file updated | 31 August 2020 04:01 CEST | Update | https://www.mdpi.com/1099-4300/20/1/2 |
| article html file updated | 9 February 2020 00:57 CET | Update | - |
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| article html file updated | 27 December 2017 06:51 CET | Original file | - |
| article xml uploaded. | 27 December 2017 06:50 CET | Original file | https://www.mdpi.com/1099-4300/20/1/2/xml |
| article pdf uploaded. | 27 December 2017 06:50 CET | Updated version of record | https://www.mdpi.com/1099-4300/20/1/2/pdf |
| article pdf uploaded. | 22 December 2017 15:29 CET | Version of Record | https://www.mdpi.com/1099-4300/20/1/2/pdf-vor |
