| article html file updated | 8 February 2020 11:12 CET | Update | https://www.mdpi.com/2305-6320/4/3/55 |
| article html file updated | 25 September 2019 23:46 CEST | Update | N/A |
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| article html file updated | 17 July 2017 12:00 CEST | Original file | N/A |
| article xml uploaded. | 17 July 2017 11:59 CEST | Original file | https://www.mdpi.com/2305-6320/4/3/55/xml |
| article pdf uploaded. | 17 July 2017 11:59 CEST | Version of Record | https://www.mdpi.com/2305-6320/4/3/55/pdf |