| article html file updated | 9 February 2020 04:04 CET | Update | https://www.mdpi.com/2073-4433/9/1/25 |
| article html file updated | 30 September 2019 03:55 CEST | Update | - |
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| article html file updated | 23 January 2018 15:47 CET | Original file | - |
| article xml uploaded. | 23 January 2018 15:46 CET | Update | https://www.mdpi.com/2073-4433/9/1/25/xml |
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| article pdf uploaded. | 23 January 2018 15:46 CET | Version of Record | https://www.mdpi.com/2073-4433/9/1/25/pdf |