| article html file updated | 9 February 2020 21:05 CET | Update | https://www.mdpi.com/2410-3888/3/2/22 |
| article html file updated | 4 October 2019 11:58 CEST | Update | - |
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| article html file updated | 12 June 2018 13:58 CEST | Update | - |
| article xml uploaded. | 12 June 2018 13:57 CEST | Update | https://www.mdpi.com/2410-3888/3/2/22/xml |
| article pdf uploaded. | 12 June 2018 13:57 CEST | Updated version of record | https://www.mdpi.com/2410-3888/3/2/22/pdf |
| article html file updated | 11 June 2018 17:00 CEST | Original file | - |
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