| article html file updated | 9 February 2020 07:17 CET | Update | https://www.mdpi.com/1996-1073/11/2/458 |
| article html file updated | 30 September 2019 23:05 CEST | Update | - |
| article html file updated | 1 May 2019 17:04 CEST | Update | - |
| article html file updated | 17 April 2019 16:27 CEST | Update | - |
| article html file updated | 29 March 2019 00:41 CET | Update | - |
| article html file updated | 14 March 2018 16:29 CET | Update | - |
| article html file updated | 23 February 2018 09:49 CET | Update | - |
| article xml uploaded. | 23 February 2018 09:47 CET | Update | https://www.mdpi.com/1996-1073/11/2/458/xml |
| article xml uploaded. | 23 February 2018 09:47 CET | Update | - |
| article pdf uploaded. | 23 February 2018 09:47 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/458/pdf |
| article html file updated | 22 February 2018 22:54 CET | Update | - |
| article html file updated | 22 February 2018 16:02 CET | Original file | - |
| article xml uploaded. | 22 February 2018 16:00 CET | Update | - |
| article xml uploaded. | 22 February 2018 16:00 CET | Original file | - |
| article pdf uploaded. | 22 February 2018 16:00 CET | Version of Record | - |
