| article html file updated | 9 February 2020 07:50 CET | Update | https://www.mdpi.com/1996-1073/11/3/502 |
| article html file updated | 1 October 2019 02:14 CEST | Update | - |
| article html file updated | 1 May 2019 15:55 CEST | Update | - |
| article html file updated | 17 April 2019 15:24 CEST | Update | - |
| article html file updated | 29 March 2019 02:00 CET | Update | - |
| article html file updated | 27 March 2018 05:29 CEST | Update | - |
| article html file updated | 27 February 2018 14:13 CET | Original file | - |
| article xml uploaded. | 27 February 2018 14:12 CET | Update | https://www.mdpi.com/1996-1073/11/3/502/xml |
| article xml uploaded. | 27 February 2018 14:12 CET | Update | - |
| article xml uploaded. | 27 February 2018 14:12 CET | Original file | - |
| article pdf uploaded. | 27 February 2018 14:12 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/502/pdf |
