| article html file updated | 8 February 2020 19:59 CET | Update | https://www.mdpi.com/2226-471X/2/4/22 |
| article html file updated | 12 September 2019 12:10 CEST | Update | - |
| article html file updated | 12 September 2019 12:00 CEST | Update | - |
| article html file updated | 12 September 2019 11:52 CEST | Update | - |
| article html file updated | 2 May 2019 17:46 CEST | Update | - |
| article html file updated | 30 November 2017 13:29 CET | Update | - |
| article xml uploaded. | 30 November 2017 09:48 CET | Update | https://www.mdpi.com/2226-471X/2/4/22/xml |
| article xml uploaded. | 30 November 2017 09:48 CET | Update | - |
| article xml uploaded. | 30 November 2017 09:48 CET | Update | - |
| article pdf uploaded. | 30 November 2017 09:48 CET | Updated version of record | https://www.mdpi.com/2226-471X/2/4/22/pdf |
| article xml uploaded. | 30 November 2017 09:48 CET | Update | - |
| article html file updated | 27 November 2017 17:08 CET | Update | - |
| article xml uploaded. | 27 November 2017 17:06 CET | Update | - |
| article xml uploaded. | 27 November 2017 17:06 CET | Update | - |
| article pdf uploaded. | 27 November 2017 17:06 CET | Updated version of record | https://www.mdpi.com/2226-471X/2/4/22/pdf-vor |
| article html file updated | 2 November 2017 10:30 CET | Original file | - |
| article xml uploaded. | 2 November 2017 10:29 CET | Original file | - |
| article pdf uploaded. | 2 November 2017 10:29 CET | Updated version of record | https://www.mdpi.com/2226-471X/2/4/22/pdf-vor |
| article pdf uploaded. | 31 October 2017 15:46 CET | Version of Record | https://www.mdpi.com/2226-471X/2/4/22/pdf-vor |
