| article html file updated | 11 February 2020 06:22 CET | Update | https://www.mdpi.com/1996-1073/12/1/154 |
| article html file updated | 12 October 2019 19:05 CEST | Update | - |
| article html file updated | 27 April 2019 12:08 CEST | Update | - |
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| article html file updated | 8 January 2019 02:35 CET | Update | - |
| article xml uploaded. | 8 January 2019 02:33 CET | Update | https://www.mdpi.com/1996-1073/12/1/154/xml |
| article pdf uploaded. | 8 January 2019 02:33 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/1/154/pdf |
| article html file updated | 2 January 2019 13:34 CET | Original file | - |
| article pdf uploaded. | 2 January 2019 13:32 CET | Version of Record | https://www.mdpi.com/1996-1073/12/1/154/pdf-vor |
| article xml file uploaded | 2 January 2019 13:32 CET | Original file | - |