| article html file updated | 8 February 2020 10:07 CET | Update | https://www.mdpi.com/2227-7080/5/3/41 |
| article html file updated | 25 September 2019 18:15 CEST | Update | - |
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| article html file updated | 30 September 2017 10:10 CEST | Update | - |
| article html file updated | 4 July 2017 16:07 CEST | Original file | - |
| article xml uploaded. | 4 July 2017 16:06 CEST | Original file | https://www.mdpi.com/2227-7080/5/3/41/xml |
| article pdf uploaded. | 4 July 2017 16:06 CEST | Version of Record | https://www.mdpi.com/2227-7080/5/3/41/pdf |
