| article html file updated | 9 February 2020 01:07 CET | Update | https://www.mdpi.com/1996-1073/11/1/35 |
| article html file updated | 29 September 2019 11:13 CEST | Update | - |
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| article html file updated | 1 February 2018 09:37 CET | Update | - |
| article html file updated | 25 December 2017 07:46 CET | Update | - |
| article xml uploaded. | 25 December 2017 07:44 CET | Update | https://www.mdpi.com/1996-1073/11/1/35/xml |
| article pdf uploaded. | 25 December 2017 07:44 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/35/pdf |
| article html file updated | 24 December 2017 14:45 CET | Original file | - |
| article xml uploaded. | 24 December 2017 14:43 CET | Update | - |
| article xml uploaded. | 24 December 2017 14:43 CET | Original file | - |
| article pdf uploaded. | 24 December 2017 14:43 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/35/pdf-vor |
