| article html file updated | 9 February 2020 05:00 CET | Update | https://www.mdpi.com/2076-3298/5/2/22 |
| article html file updated | 30 September 2019 09:20 CEST | Update | N/A |
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| article html file updated | 31 January 2018 10:49 CET | Original file | N/A |
| article xml uploaded. | 31 January 2018 10:48 CET | Original file | https://www.mdpi.com/2076-3298/5/2/22/xml |
| article pdf uploaded. | 31 January 2018 10:48 CET | Version of Record | https://www.mdpi.com/2076-3298/5/2/22/pdf |