| article html file updated | 8 February 2020 06:22 CET | Update | https://www.mdpi.com/2227-9059/5/2/25 |
| article html file updated | 24 September 2019 22:35 CEST | Update | N/A |
| article html file updated | 3 May 2019 21:03 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:38 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:17 CEST | Update | N/A |
| article html file updated | 22 May 2017 05:08 CEST | Update | N/A |
| article html file updated | 20 May 2017 14:18 CEST | Original file | N/A |
| article xml uploaded. | 20 May 2017 14:16 CEST | Original file | https://www.mdpi.com/2227-9059/5/2/25/xml |
| article pdf uploaded. | 20 May 2017 14:16 CEST | Version of Record | https://www.mdpi.com/2227-9059/5/2/25/pdf |