| article html file updated | 8 February 2020 13:45 CET | Update | https://www.mdpi.com/2411-5134/2/3/18 |
| article html file updated | 26 September 2019 14:21 CEST | Update | - |
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| article html file updated | 27 March 2019 21:17 CET | Update | - |
| article html file updated | 20 September 2017 04:04 CEST | Original file | - |
| article xml uploaded. | 20 September 2017 04:02 CEST | Original file | https://www.mdpi.com/2411-5134/2/3/18/xml |
| article pdf uploaded. | 17 August 2017 14:17 CEST | Version of Record | https://www.mdpi.com/2411-5134/2/3/18/pdf |
