| article html file updated | 6 February 2020 15:51 CET | Update | https://www.mdpi.com/2073-4441/7/2/697 |
| article html file updated | 7 May 2019 01:11 CEST | Update | N/A |
| article html file updated | 25 March 2019 21:36 CET | Update | N/A |
| article html file updated | 21 August 2015 07:22 CEST | Update | N/A |
| article html file updated | 13 February 2015 08:07 CET | Original file | N/A |
| article xml file uploaded | 13 February 2015 08:07 CET | Original file | https://www.mdpi.com/2073-4441/7/2/697/xml |
| article pdf uploaded. | 10 February 2015 12:13 CET | Version of Record | https://www.mdpi.com/2073-4441/7/2/697/pdf |
