| article html file updated | 6 February 2020 18:46 CET | Update | https://www.mdpi.com/2079-4983/6/2/299 |
| article html file updated | 20 September 2019 21:35 CEST | Update | N/A |
| article html file updated | 6 May 2019 19:44 CEST | Update | N/A |
| article html file updated | 26 March 2019 02:57 CET | Update | N/A |
| article html file updated | 11 December 2018 09:08 CET | Update | N/A |
| article html file updated | 21 August 2015 12:20 CEST | Update | N/A |
| article html file updated | 8 July 2015 09:58 CEST | Original file | N/A |
| article xml file uploaded | 8 July 2015 09:58 CEST | Original file | https://www.mdpi.com/2079-4983/6/2/299/xml |
| article pdf uploaded. | 20 May 2015 09:34 CEST | Version of Record | https://www.mdpi.com/2079-4983/6/2/299/pdf |
