| article html file updated | 11 February 2020 13:23 CET | Update | https://www.mdpi.com/2226-4787/7/1/18 |
| article html file updated | 14 October 2019 09:29 CEST | Update | - |
| article html file updated | 26 April 2019 21:51 CEST | Update | - |
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| article html file updated | 28 February 2019 12:07 CET | Update | - |
| article html file updated | 2 February 2019 04:21 CET | Original file | - |
| article pdf uploaded. | 2 February 2019 04:19 CET | Version of Record | https://www.mdpi.com/2226-4787/7/1/18/pdf |
| article xml uploaded. | 2 February 2019 04:19 CET | Update | https://www.mdpi.com/2226-4787/7/1/18/xml |
| article xml file uploaded | 2 February 2019 04:19 CET | Original file | - |
