| article html file updated | 8 February 2020 21:55 CET | Update | https://www.mdpi.com/2227-9067/4/11/101 |
| article html file updated | 28 September 2019 16:12 CEST | Update | - |
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| article html file updated | 30 November 2017 10:30 CET | Update | - |
| article html file updated | 22 November 2017 11:11 CET | Original file | - |
| article xml uploaded. | 22 November 2017 11:10 CET | Original file | https://www.mdpi.com/2227-9067/4/11/101/xml |
| article pdf uploaded. | 22 November 2017 11:10 CET | Version of Record | https://www.mdpi.com/2227-9067/4/11/101/pdf |
