| article html file updated | 11 February 2020 08:17 CET | Update | https://www.mdpi.com/1996-1073/12/2/220 |
| article html file updated | 13 October 2019 05:26 CEST | Update | - |
| article html file updated | 27 April 2019 08:00 CEST | Update | - |
| article html file updated | 13 April 2019 04:06 CEST | Update | - |
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| article html file updated | 29 January 2019 08:15 CET | Update | - |
| article html file updated | 11 January 2019 11:22 CET | Update | - |
| article pdf uploaded. | 11 January 2019 11:19 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/220/pdf |
| article xml uploaded. | 11 January 2019 11:19 CET | Update | https://www.mdpi.com/1996-1073/12/2/220/xml |
| article xml file uploaded | 11 January 2019 11:19 CET | Update | - |
| article html file updated | 11 January 2019 11:06 CET | Original file | - |
| article pdf uploaded. | 11 January 2019 11:03 CET | Version of Record | - |
| article xml uploaded. | 11 January 2019 11:03 CET | Update | - |
| article xml file uploaded | 11 January 2019 11:03 CET | Original file | - |
