| article html file updated | 9 February 2020 07:18 CET | Update | https://www.mdpi.com/2073-4360/10/2/215 |
| article html file updated | 30 September 2019 23:15 CEST | Update | - |
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| article html file updated | 23 February 2018 10:41 CET | Original file | - |
| article xml uploaded. | 23 February 2018 10:39 CET | Original file | https://www.mdpi.com/2073-4360/10/2/215/xml |
| article pdf uploaded. | 23 February 2018 10:39 CET | Updated version of record | https://www.mdpi.com/2073-4360/10/2/215/pdf |
| article pdf uploaded. | 22 February 2018 18:42 CET | Version of Record | https://www.mdpi.com/2073-4360/10/2/215/pdf-vor |