| article html file updated | 7 February 2020 09:19 CET | Update | https://www.mdpi.com/2226-4310/3/2/15 |
| article html file updated | 5 May 2019 14:37 CEST | Update | - |
| article html file updated | 27 March 2019 05:49 CET | Update | - |
| article html file updated | 22 December 2016 14:48 CET | Update | - |
| article xml uploaded. | 22 December 2016 14:47 CET | Update | https://www.mdpi.com/2226-4310/3/2/15/xml |
| article pdf uploaded. | 22 December 2016 14:47 CET | Updated version of record | https://www.mdpi.com/2226-4310/3/2/15/pdf |
| Correction published | 22 December 2016 00:00 CET | Correction | http://www.mdpi.com/2226-4310/3/4/46 |
| article html file updated | 27 June 2016 12:08 CEST | Update | - |
| article html file updated | 26 May 2016 11:04 CEST | Original file | - |
| article pdf uploaded. | 26 May 2016 11:02 CEST | Version of Record | https://www.mdpi.com/2226-4310/3/2/15/pdf-vor |
