| article html file updated | 8 February 2020 11:04 CET | Update | https://www.mdpi.com/2077-0375/7/3/36 |
| article html file updated | 25 September 2019 23:08 CEST | Update | - |
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| article html file updated | 30 September 2017 11:33 CEST | Update | - |
| article html file updated | 14 July 2017 22:36 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 15:19 CEST | Original file | https://www.mdpi.com/2077-0375/7/3/36/xml |
| article pdf uploaded. | 14 July 2017 15:19 CEST | Version of Record | https://www.mdpi.com/2077-0375/7/3/36/pdf |
