| article html file updated | 9 February 2020 06:27 CET | Update | https://www.mdpi.com/1996-1073/11/2/425 |
| article html file updated | 30 September 2019 18:17 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:50 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:06 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:56 CET | Update | N/A |
| article html file updated | 14 March 2018 16:23 CET | Update | N/A |
| article html file updated | 12 February 2018 16:01 CET | Original file | N/A |
| article xml uploaded. | 12 February 2018 16:00 CET | Update | https://www.mdpi.com/1996-1073/11/2/425/xml |
| article xml uploaded. | 12 February 2018 16:00 CET | Original file | N/A |
| article pdf uploaded. | 12 February 2018 16:00 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/425/pdf |
