| article html file updated | 8 February 2020 11:03 CET | Update | https://www.mdpi.com/2075-5309/7/3/64 |
| article html file updated | 25 September 2019 23:01 CEST | Update | - |
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| article html file updated | 6 October 2017 05:04 CEST | Update | - |
| article html file updated | 14 July 2017 22:33 CEST | Original file | - |
| article xml uploaded. | 14 July 2017 14:56 CEST | Original file | https://www.mdpi.com/2075-5309/7/3/64/xml |
| article pdf uploaded. | 14 July 2017 14:56 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/3/64/pdf |
