| article html file updated | 6 February 2020 19:59 CET | Update | https://www.mdpi.com/2079-9268/5/2/130 |
| article html file updated | 6 May 2019 17:09 CEST | Update | N/A |
| article html file updated | 26 March 2019 05:17 CET | Update | N/A |
| article html file updated | 28 October 2015 11:04 CET | Original file | N/A |
| article xml file uploaded | 28 October 2015 11:04 CET | Original file | https://www.mdpi.com/2079-9268/5/2/130/xml |
| article pdf uploaded. | 23 June 2015 15:32 CEST | Version of Record | https://www.mdpi.com/2079-9268/5/2/130/pdf |
