| article html file updated | 9 February 2020 00:28 CET | Update | https://www.mdpi.com/2504-477X/1/2/19 |
| article html file updated | 29 September 2019 07:30 CEST | Update | - |
| article html file updated | 2 May 2019 07:44 CEST | Update | - |
| article html file updated | 18 April 2019 05:34 CEST | Update | - |
| article html file updated | 19 December 2017 10:48 CET | Original file | - |
| article xml uploaded. | 19 December 2017 10:47 CET | Update | https://www.mdpi.com/2504-477X/1/2/19/xml |
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| article pdf uploaded. | 19 December 2017 10:47 CET | Updated version of record | https://www.mdpi.com/2504-477X/1/2/19/pdf |
| article pdf uploaded. | 18 December 2017 16:24 CET | Version of Record | https://www.mdpi.com/2504-477X/1/2/19/pdf-vor |
