| article html file updated | 9 February 2020 07:55 CET | Update | https://www.mdpi.com/1996-1073/11/3/508 |
| article html file updated | 1 October 2019 02:43 CEST | Update | - |
| article html file updated | 1 May 2019 15:44 CEST | Update | - |
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| article html file updated | 29 March 2019 02:14 CET | Update | - |
| article html file updated | 27 March 2018 05:31 CEST | Update | - |
| article html file updated | 2 March 2018 02:43 CET | Original file | - |
| article xml uploaded. | 2 March 2018 02:41 CET | Update | https://www.mdpi.com/1996-1073/11/3/508/xml |
| article pdf uploaded. | 2 March 2018 02:41 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/3/508/pdf |
| article pdf uploaded. | 27 February 2018 16:51 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/508/pdf-vor |