| article html file updated | 9 February 2020 02:18 CET | Update | https://www.mdpi.com/2073-4360/10/1/53 |
| article html file updated | 29 September 2019 17:55 CEST | Update | - |
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| article html file updated | 8 January 2018 08:46 CET | Original file | - |
| article xml uploaded. | 8 January 2018 08:45 CET | Update | https://www.mdpi.com/2073-4360/10/1/53/xml |
| article pdf uploaded. | 8 January 2018 08:45 CET | Version of Record | https://www.mdpi.com/2073-4360/10/1/53/pdf |
