| article html file updated | 12 February 2020 01:36 CET | Update | https://www.mdpi.com/1996-1073/12/7/1220 |
| article html file updated | 17 October 2019 09:27 CEST | Update | - |
| article html file updated | 25 April 2019 19:51 CEST | Update | - |
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| article html file updated | 10 April 2019 09:57 CEST | Update | - |
| article html file updated | 29 March 2019 09:33 CET | Original file | - |
| article pdf uploaded. | 29 March 2019 09:32 CET | Version of Record | https://www.mdpi.com/1996-1073/12/7/1220/pdf |
| article xml uploaded. | 29 March 2019 09:32 CET | Update | https://www.mdpi.com/1996-1073/12/7/1220/xml |
| article xml file uploaded | 29 March 2019 09:32 CET | Original file | - |
