| article html file updated | 9 February 2020 08:16 CET | Update | https://www.mdpi.com/2306-5710/4/1/19 |
| article html file updated | 1 October 2019 04:42 CEST | Update | - |
| article html file updated | 1 May 2019 15:00 CEST | Update | - |
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| article html file updated | 27 December 2018 12:03 CET | Update | - |
| article html file updated | 1 March 2018 11:02 CET | Original file | - |
| article xml uploaded. | 1 March 2018 11:01 CET | Original file | https://www.mdpi.com/2306-5710/4/1/19/xml |
| article pdf uploaded. | 1 March 2018 11:01 CET | Version of Record | https://www.mdpi.com/2306-5710/4/1/19/pdf |
