| article html file updated | 9 February 2020 02:09 CET | Update | https://www.mdpi.com/1996-1073/11/1/132 |
| article html file updated | 29 September 2019 17:04 CEST | Update | - |
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| article html file updated | 5 January 2018 16:27 CET | Original file | - |
| article xml uploaded. | 5 January 2018 16:25 CET | Update | https://www.mdpi.com/1996-1073/11/1/132/xml |
| article pdf uploaded. | 5 January 2018 16:25 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/132/pdf |
