| article html file updated | 6 February 2020 01:05 CET | Update | https://www.mdpi.com/2072-666X/4/1/116 |
| article html file updated | 8 May 2019 07:10 CEST | Update | N/A |
| article html file updated | 20 March 2019 20:00 CET | Update | N/A |
| article html file updated | 17 June 2015 07:43 CEST | Update | N/A |
| article html file updated | 26 March 2013 10:24 CET | Update | N/A |
| article xml uploaded. | 26 March 2013 10:24 CET | Update | https://www.mdpi.com/2072-666X/4/1/116/xml |
| article pdf uploaded. | 21 March 2013 16:49 CET | Updated version of record | https://www.mdpi.com/2072-666X/4/1/116/pdf |
| article html file updated | 20 March 2013 17:29 CET | Original file | N/A |
| article pdf uploaded. | 20 March 2013 17:28 CET | Updated version of record | https://www.mdpi.com/2072-666X/4/1/116/pdf-vor |
| article pdf uploaded. | 19 March 2013 14:00 CET | Version of Record | https://www.mdpi.com/2072-666X/4/1/116/pdf-vor |