| article html file updated | 8 February 2020 10:12 CET | Update | https://www.mdpi.com/2297-8739/4/3/24 |
| article html file updated | 25 September 2019 18:39 CEST | Update | - |
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| article html file updated | 30 September 2017 15:46 CEST | Update | - |
| article html file updated | 5 July 2017 13:07 CEST | Original file | - |
| article xml uploaded. | 5 July 2017 13:05 CEST | Update | https://www.mdpi.com/2297-8739/4/3/24/xml |
| article pdf uploaded. | 5 July 2017 13:05 CEST | Version of Record | https://www.mdpi.com/2297-8739/4/3/24/pdf |
