| article html file updated | 8 February 2020 13:52 CET | Update | https://www.mdpi.com/2411-5134/2/3/19 |
| article html file updated | 26 September 2019 15:00 CEST | Update | - |
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| article html file updated | 27 March 2019 21:31 CET | Update | - |
| article html file updated | 18 August 2017 12:04 CEST | Original file | - |
| article xml uploaded. | 18 August 2017 12:03 CEST | Original file | https://www.mdpi.com/2411-5134/2/3/19/xml |
| article pdf uploaded. | 18 August 2017 12:03 CEST | Version of Record | https://www.mdpi.com/2411-5134/2/3/19/pdf |
