| article html file updated | 8 February 2020 10:52 CET | Update | https://www.mdpi.com/2225-1154/5/3/50 |
| article html file updated | 25 September 2019 22:02 CEST | Update | - |
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| article html file updated | 30 September 2017 07:47 CEST | Update | - |
| article html file updated | 13 July 2017 10:35 CEST | Original file | - |
| article xml uploaded. | 13 July 2017 10:33 CEST | Update | https://www.mdpi.com/2225-1154/5/3/50/xml |
| article pdf uploaded. | 13 July 2017 10:33 CEST | Version of Record | https://www.mdpi.com/2225-1154/5/3/50/pdf |
