| article html file updated | 11 February 2020 03:30 CET | Update | https://www.mdpi.com/1996-1073/11/12/3508 |
| article html file updated | 12 October 2019 01:01 CEST | Update | - |
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| article html file updated | 27 December 2018 01:32 CET | Update | - |
| article html file updated | 17 December 2018 10:21 CET | Update | - |
| article pdf uploaded. | 17 December 2018 10:20 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/12/3508/pdf |
| article xml uploaded. | 17 December 2018 10:20 CET | Update | https://www.mdpi.com/1996-1073/11/12/3508/xml |
| article xml file uploaded | 17 December 2018 10:20 CET | Update | - |
| article html file updated | 16 December 2018 10:09 CET | Original file | - |
| article pdf uploaded. | 16 December 2018 10:07 CET | Version of Record | https://www.mdpi.com/1996-1073/11/12/3508/pdf-vor |
| article xml uploaded. | 16 December 2018 10:07 CET | Update | - |
| article xml file uploaded | 16 December 2018 10:07 CET | Original file | - |