| article html file updated | 11 February 2020 02:08 CET | Update | https://www.mdpi.com/2227-9717/6/12/256 |
| article html file updated | 11 October 2019 16:49 CEST | Update | - |
| article html file updated | 27 April 2019 21:46 CEST | Update | - |
| article html file updated | 13 April 2019 17:38 CEST | Update | - |
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| article html file updated | 26 December 2018 10:57 CET | Update | - |
| article html file updated | 14 December 2018 07:34 CET | Update | - |
| article pdf uploaded. | 14 December 2018 07:32 CET | Updated version of record | https://www.mdpi.com/2227-9717/6/12/256/pdf |
| article xml uploaded. | 14 December 2018 07:32 CET | Update | https://www.mdpi.com/2227-9717/6/12/256/xml |
| article xml file uploaded | 14 December 2018 07:32 CET | Update | - |
| article html file updated | 9 December 2018 09:27 CET | Original file | - |
| article pdf uploaded. | 9 December 2018 09:26 CET | Version of Record | https://www.mdpi.com/2227-9717/6/12/256/pdf-vor |
| article xml uploaded. | 9 December 2018 09:26 CET | Update | - |
| article xml file uploaded | 9 December 2018 09:26 CET | Original file | - |
