| article html file updated | 7 February 2020 06:22 CET | Update | https://www.mdpi.com/2076-2615/6/4/25 |
| article html file updated | 5 May 2019 20:30 CEST | Update | - |
| article html file updated | 27 March 2019 00:16 CET | Update | - |
| article html file updated | 27 April 2016 09:23 CEST | Update | - |
| article html file updated | 7 April 2016 08:16 CEST | Update | - |
| article xml uploaded. | 7 April 2016 08:14 CEST | Update | https://www.mdpi.com/2076-2615/6/4/25/xml |
| article pdf uploaded. | 7 April 2016 08:14 CEST | Updated version of record | https://www.mdpi.com/2076-2615/6/4/25/pdf |
| article html file updated | 29 March 2016 11:19 CEST | Update | - |
| article pdf uploaded. | 29 March 2016 11:17 CEST | Updated version of record | https://www.mdpi.com/2076-2615/6/4/25/pdf-vor |
| article html file updated | 25 March 2016 02:44 CET | Original file | - |
| article pdf uploaded. | 25 March 2016 02:42 CET | Version of Record | https://www.mdpi.com/2076-2615/6/4/25/pdf-vor |
