| article html file updated | 9 February 2020 09:08 CET | Update | https://www.mdpi.com/2227-9709/5/1/14 |
| article html file updated | 1 October 2019 09:45 CEST | Update | - |
| article html file updated | 1 May 2019 13:14 CEST | Update | - |
| article html file updated | 17 April 2019 12:54 CEST | Update | - |
| article html file updated | 29 March 2019 05:01 CET | Update | - |
| article html file updated | 27 March 2018 15:31 CEST | Update | - |
| article html file updated | 9 March 2018 09:37 CET | Original file | - |
| article xml uploaded. | 9 March 2018 09:36 CET | Original file | https://www.mdpi.com/2227-9709/5/1/14/xml |
| article pdf uploaded. | 9 March 2018 09:36 CET | Updated version of record | https://www.mdpi.com/2227-9709/5/1/14/pdf |
| article pdf uploaded. | 8 March 2018 15:36 CET | Version of Record | https://www.mdpi.com/2227-9709/5/1/14/pdf-vor |
