| article html file updated | 8 February 2020 18:46 CET | Update | https://www.mdpi.com/2227-9717/5/4/60 |
| article html file updated | 27 September 2019 20:19 CEST | Update | N/A |
| article html file updated | 2 May 2019 20:33 CEST | Update | N/A |
| article html file updated | 2 January 2018 11:41 CET | Update | N/A |
| article html file updated | 19 October 2017 08:37 CEST | Original file | N/A |
| article xml uploaded. | 19 October 2017 08:36 CEST | Update | https://www.mdpi.com/2227-9717/5/4/60/xml |
| article pdf uploaded. | 19 October 2017 08:36 CEST | Updated version of record | https://www.mdpi.com/2227-9717/5/4/60/pdf |
| article xml uploaded. | 19 October 2017 07:50 CEST | Update | N/A |
| article pdf uploaded. | 19 October 2017 07:50 CEST | Updated version of record | https://www.mdpi.com/2227-9717/5/4/60/pdf-vor |
| article xml uploaded. | 19 October 2017 07:42 CEST | Update | N/A |
| article xml uploaded. | 19 October 2017 07:42 CEST | Update | N/A |
| article xml uploaded. | 19 October 2017 07:42 CEST | Original file | N/A |
| article pdf uploaded. | 19 October 2017 07:42 CEST | Updated version of record | https://www.mdpi.com/2227-9717/5/4/60/pdf-vor |
| article pdf uploaded. | 18 October 2017 13:15 CEST | Version of Record | https://www.mdpi.com/2227-9717/5/4/60/pdf-vor |
