| article html file updated | 11 February 2020 11:55 CET | Update | https://www.mdpi.com/2227-7102/9/1/28 |
| article html file updated | 14 October 2019 00:47 CEST | Update | - |
| article html file updated | 27 April 2019 00:42 CEST | Update | - |
| article html file updated | 12 April 2019 20:37 CEST | Update | - |
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| article html file updated | 3 April 2019 10:33 CEST | Update | - |
| article html file updated | 28 January 2019 07:47 CET | Original file | - |
| article pdf uploaded. | 28 January 2019 07:46 CET | Version of Record | https://www.mdpi.com/2227-7102/9/1/28/pdf |
| article xml uploaded. | 28 January 2019 07:46 CET | Update | https://www.mdpi.com/2227-7102/9/1/28/xml |
| article xml file uploaded | 28 January 2019 07:46 CET | Original file | - |
