| article html file updated | 9 February 2020 07:49 CET | Update | https://www.mdpi.com/1996-1073/11/3/500 |
| article html file updated | 1 October 2019 02:09 CEST | Update | - |
| article html file updated | 1 May 2019 15:57 CEST | Update | - |
| article html file updated | 17 April 2019 15:26 CEST | Update | - |
| article html file updated | 29 March 2019 01:57 CET | Update | - |
| article html file updated | 27 March 2018 05:28 CEST | Update | - |
| article html file updated | 27 February 2018 10:20 CET | Original file | - |
| article xml uploaded. | 27 February 2018 10:18 CET | Update | https://www.mdpi.com/1996-1073/11/3/500/xml |
| article xml uploaded. | 27 February 2018 10:18 CET | Update | - |
| article xml uploaded. | 27 February 2018 10:18 CET | Original file | - |
| article pdf uploaded. | 27 February 2018 10:18 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/500/pdf |
