| article html file updated | 6 February 2020 01:12 CET | Update | https://www.mdpi.com/2076-3417/3/2/325 |
| article html file updated | 8 May 2019 06:57 CEST | Update | N/A |
| article html file updated | 20 March 2019 20:14 CET | Update | N/A |
| article html file updated | 17 June 2015 07:51 CEST | Update | N/A |
| article html file updated | 9 March 2015 09:06 CET | Original file | N/A |
| article xml file uploaded | 9 March 2015 09:06 CET | Original file | https://www.mdpi.com/2076-3417/3/2/325/xml |
| article pdf uploaded. | 25 March 2013 19:00 CET | Version of Record | https://www.mdpi.com/2076-3417/3/2/325/pdf |
