| article html file updated | 11 February 2020 16:09 CET | Update | https://www.mdpi.com/2227-7102/9/1/40 |
| article html file updated | 15 October 2019 00:32 CEST | Update | - |
| article html file updated | 26 April 2019 16:34 CEST | Update | - |
| article html file updated | 12 April 2019 12:23 CEST | Update | - |
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| article html file updated | 1 March 2019 00:54 CET | Update | - |
| article html file updated | 16 February 2019 02:44 CET | Original file | - |
| article pdf uploaded. | 15 February 2019 06:41 CET | Version of Record | https://www.mdpi.com/2227-7102/9/1/40/pdf |
| article xml uploaded. | 15 February 2019 06:41 CET | Update | https://www.mdpi.com/2227-7102/9/1/40/xml |
| article xml file uploaded | 15 February 2019 06:41 CET | Original file | - |
