| article html file updated | 7 February 2020 08:16 CET | Update | https://www.mdpi.com/2075-4663/4/2/26 |
| article html file updated | 5 May 2019 16:38 CEST | Update | - |
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| article html file updated | 4 July 2016 10:38 CEST | Update | - |
| article html file updated | 6 May 2016 09:51 CEST | Original file | - |
| article xml uploaded. | 6 May 2016 09:49 CEST | Original file | https://www.mdpi.com/2075-4663/4/2/26/xml |
| article pdf uploaded. | 6 May 2016 09:49 CEST | Version of Record | https://www.mdpi.com/2075-4663/4/2/26/pdf |
