| article html file updated | 7 February 2020 16:07 CET | Update | https://www.mdpi.com/2226-4310/3/4/32 |
| article html file updated | 5 May 2019 02:04 CEST | Update | N/A |
| article html file updated | 28 December 2016 11:27 CET | Update | N/A |
| article html file updated | 10 October 2016 14:20 CEST | Original file | N/A |
| article xml uploaded. | 10 October 2016 14:18 CEST | Update | https://www.mdpi.com/2226-4310/3/4/32/xml |
| article xml uploaded. | 10 October 2016 14:18 CEST | Update | N/A |
| article xml uploaded. | 10 October 2016 14:18 CEST | Original file | N/A |
| article pdf uploaded. | 10 October 2016 14:18 CEST | Version of Record | https://www.mdpi.com/2226-4310/3/4/32/pdf |
