| article html file updated | 8 February 2020 12:08 CET | Update | https://www.mdpi.com/2227-9091/5/3/42 |
| article html file updated | 26 September 2019 04:55 CEST | Update | N/A |
| article html file updated | 3 May 2019 09:49 CEST | Update | N/A |
| article html file updated | 27 March 2019 17:56 CET | Update | N/A |
| article html file updated | 30 September 2017 15:44 CEST | Update | N/A |
| article html file updated | 14 August 2017 13:43 CEST | Original file | N/A |
| article xml uploaded. | 14 August 2017 13:41 CEST | Update | https://www.mdpi.com/2227-9091/5/3/42/xml |
| article xml uploaded. | 14 August 2017 13:41 CEST | Update | N/A |
| article xml uploaded. | 14 August 2017 13:41 CEST | Original file | N/A |
| article pdf uploaded. | 14 August 2017 13:41 CEST | Updated version of record | https://www.mdpi.com/2227-9091/5/3/42/pdf |
| article pdf uploaded. | 27 July 2017 12:19 CEST | Version of Record | https://www.mdpi.com/2227-9091/5/3/42/pdf-vor |