| article html file updated | 11 February 2020 17:35 CET | Update | https://www.mdpi.com/1996-1073/12/4/693 |
| article html file updated | 15 October 2019 09:13 CEST | Update | - |
| article html file updated | 26 April 2019 13:31 CEST | Update | - |
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| article html file updated | 1 March 2019 08:05 CET | Update | - |
| article html file updated | 22 February 2019 02:33 CET | Original file | - |
| article pdf uploaded. | 21 February 2019 07:13 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/693/pdf |
| article xml uploaded. | 21 February 2019 07:13 CET | Update | https://www.mdpi.com/1996-1073/12/4/693/xml |
| article xml file uploaded | 21 February 2019 07:13 CET | Original file | - |
