| article html file updated | 6 February 2020 16:04 CET | Update | https://www.mdpi.com/2227-9717/3/1/113 |
| article html file updated | 7 May 2019 00:46 CEST | Update | N/A |
| article html file updated | 25 March 2019 21:57 CET | Update | N/A |
| article html file updated | 21 August 2015 07:51 CEST | Update | N/A |
| article html file updated | 20 July 2015 12:39 CEST | Original file | N/A |
| article xml file uploaded | 20 July 2015 12:39 CEST | Original file | https://www.mdpi.com/2227-9717/3/1/113/xml |
| article pdf uploaded. | 17 February 2015 11:29 CET | Version of Record | https://www.mdpi.com/2227-9717/3/1/113/pdf |
