| article html file updated | 11 February 2020 08:14 CET | Update | https://www.mdpi.com/1996-1073/12/2/218 |
| article html file updated | 13 October 2019 05:10 CEST | Update | - |
| article html file updated | 27 April 2019 08:06 CEST | Update | - |
| article html file updated | 13 April 2019 04:12 CEST | Update | - |
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| article html file updated | 29 January 2019 08:08 CET | Update | - |
| article html file updated | 12 January 2019 02:12 CET | Original file | - |
| article pdf uploaded. | 11 January 2019 09:35 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/218/pdf |
| article xml uploaded. | 11 January 2019 09:35 CET | Update | https://www.mdpi.com/1996-1073/12/2/218/xml |
| article xml file uploaded | 11 January 2019 09:35 CET | Original file | - |
