| article html file updated | 6 February 2020 10:06 CET | Update | https://www.mdpi.com/2077-0383/3/2/614 |
| article html file updated | 20 September 2019 09:29 CEST | Update | N/A |
| article html file updated | 7 May 2019 12:50 CEST | Update | N/A |
| article html file updated | 21 March 2019 19:14 CET | Update | N/A |
| article html file updated | 20 August 2015 10:27 CEST | Update | N/A |
| article html file updated | 16 December 2014 04:50 CET | Update | N/A |
| article xml file uploaded | 16 December 2014 04:50 CET | Update | https://www.mdpi.com/2077-0383/3/2/614/xml |
| article html file updated | 10 December 2014 09:53 CET | Original file | N/A |
| article xml file uploaded | 10 December 2014 09:53 CET | Original file | N/A |
| article pdf uploaded. | 19 June 2014 15:03 CEST | Version of Record | https://www.mdpi.com/2077-0383/3/2/614/pdf |
