| article html file updated | 8 February 2020 16:16 CET | Update | https://new.mdpi.com/2410-3896/2/3/31 |
| article html file updated | 27 September 2019 03:53 CEST | Update | - |
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| article html file updated | 27 October 2017 09:02 CEST | Update | - |
| article html file updated | 15 September 2017 10:30 CEST | Original file | - |
| article xml uploaded. | 15 September 2017 10:29 CEST | Update | https://new.mdpi.com/2410-3896/2/3/31/xml |
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| article pdf uploaded. | 15 September 2017 10:29 CEST | Version of Record | https://new.mdpi.com/2410-3896/2/3/31/pdf |
