| article html file updated | 9 February 2020 02:35 CET | Update | https://www.mdpi.com/2073-4441/10/1/51 |
| article html file updated | 29 September 2019 19:25 CEST | Update | - |
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| article html file updated | 10 January 2018 15:45 CET | Original file | - |
| article xml uploaded. | 10 January 2018 15:44 CET | Update | https://www.mdpi.com/2073-4441/10/1/51/xml |
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| article pdf uploaded. | 10 January 2018 15:44 CET | Version of Record | https://www.mdpi.com/2073-4441/10/1/51/pdf |