| article html file updated | 11 February 2020 15:20 CET | Update | https://www.mdpi.com/2226-4310/6/2/15 |
| article html file updated | 14 October 2019 20:19 CEST | Update | - |
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| article html file updated | 28 February 2019 21:27 CET | Update | - |
| article html file updated | 23 February 2019 07:48 CET | Original file | - |
| article pdf uploaded. | 23 February 2019 07:47 CET | Updated version of record | https://www.mdpi.com/2226-4310/6/2/15/pdf |
| article xml uploaded. | 23 February 2019 07:47 CET | Update | https://www.mdpi.com/2226-4310/6/2/15/xml |
| article xml file uploaded | 23 February 2019 07:47 CET | Update | - |
| article pdf uploaded. | 12 February 2019 13:05 CET | Version of Record | https://www.mdpi.com/2226-4310/6/2/15/pdf-vor |
| article xml file uploaded | 12 February 2019 13:05 CET | Original file | - |
