| article html file updated | 9 February 2020 04:06 CET | Update | https://www.mdpi.com/2077-1444/9/2/35 |
| article html file updated | 30 September 2019 04:07 CEST | Update | - |
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| article xml uploaded. | 24 January 2018 03:56 CET | Original file | https://www.mdpi.com/2077-1444/9/2/35/xml |
| article pdf uploaded. | 24 January 2018 03:56 CET | Version of Record | https://www.mdpi.com/2077-1444/9/2/35/pdf |