| article html file updated | 7 February 2020 04:29 CET | Update | https://www.mdpi.com/2227-9067/3/1/4 |
| article html file updated | 6 May 2019 00:32 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:33 CET | Update | N/A |
| article html file updated | 29 April 2016 12:03 CEST | Original file | N/A |
| Erratum published | 18 April 2016 00:00 CEST | Erratum | http://www.mdpi.com/2227-9067/3/2/6 |
| article pdf uploaded. | 18 February 2016 10:58 CET | Updated version of record | https://www.mdpi.com/2227-9067/3/1/4/pdf |
| article xml uploaded. | 18 February 2016 10:58 CET | Update | https://www.mdpi.com/2227-9067/3/1/4/xml |
| article pdf uploaded. | 8 February 2016 11:41 CET | Version of Record | https://www.mdpi.com/2227-9067/3/1/4/pdf-vor |
| article xml uploaded. | 8 February 2016 11:41 CET | Original file | N/A |
