| article html file updated | 8 February 2020 11:44 CET | Update | https://www.mdpi.com/2412-3811/2/3/9 |
| article html file updated | 26 September 2019 02:43 CEST | Update | - |
| article html file updated | 3 May 2019 10:55 CEST | Update | - |
| article html file updated | 27 March 2019 17:10 CET | Update | - |
| article html file updated | 2 August 2017 07:43 CEST | Update | - |
| article xml uploaded. | 2 August 2017 07:42 CEST | Update | https://www.mdpi.com/2412-3811/2/3/9/xml |
| article pdf uploaded. | 2 August 2017 07:42 CEST | Updated version of record | https://www.mdpi.com/2412-3811/2/3/9/pdf |
| article html file updated | 22 July 2017 09:27 CEST | Update | - |
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| article html file updated | 22 July 2017 09:25 CEST | Original file | - |
| article pdf uploaded. | 22 July 2017 09:24 CEST | Version of Record | https://www.mdpi.com/2412-3811/2/3/9/pdf-vor |
