| article html file updated | 9 February 2020 05:16 CET | Update | https://www.mdpi.com/1996-1073/11/2/318 |
| article html file updated | 30 September 2019 11:01 CEST | Update | N/A |
| article html file updated | 1 May 2019 21:34 CEST | Update | N/A |
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| article html file updated | 14 March 2018 15:41 CET | Update | N/A |
| article html file updated | 2 February 2018 07:52 CET | Original file | N/A |
| article xml uploaded. | 2 February 2018 07:51 CET | Original file | https://www.mdpi.com/1996-1073/11/2/318/xml |
| article pdf uploaded. | 2 February 2018 07:51 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/318/pdf |
