| article html file updated | 9 February 2020 07:12 CET | Update | https://www.mdpi.com/1996-1073/11/2/455 |
| article html file updated | 30 September 2019 22:40 CEST | Update | - |
| article html file updated | 1 May 2019 17:13 CEST | Update | - |
| article html file updated | 17 April 2019 16:36 CEST | Update | - |
| article html file updated | 29 March 2019 00:32 CET | Update | - |
| article html file updated | 14 March 2018 16:28 CET | Update | - |
| article html file updated | 23 February 2018 16:03 CET | Original file | - |
| article xml uploaded. | 23 February 2018 16:02 CET | Update | https://www.mdpi.com/1996-1073/11/2/455/xml |
| article xml uploaded. | 23 February 2018 16:02 CET | Original file | - |
| article pdf uploaded. | 23 February 2018 16:02 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/455/pdf |
| article pdf uploaded. | 21 February 2018 18:23 CET | Updated version of record | - |
| article pdf uploaded. | 21 February 2018 18:19 CET | Version of Record | - |
