| article html file updated | 9 February 2020 10:00 CET | Update | https://www.mdpi.com/1996-1073/11/3/661 |
| article html file updated | 1 October 2019 16:06 CEST | Update | N/A |
| article html file updated | 1 May 2019 11:25 CEST | Update | N/A |
| article html file updated | 17 April 2019 11:14 CEST | Update | N/A |
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| article html file updated | 27 March 2018 06:19 CEST | Update | N/A |
| article html file updated | 15 March 2018 16:26 CET | Original file | N/A |
| article xml uploaded. | 15 March 2018 16:24 CET | Update | https://www.mdpi.com/1996-1073/11/3/661/xml |
| article pdf uploaded. | 15 March 2018 16:24 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/661/pdf |