| article html file updated | 6 February 2020 20:59 CET | Update | https://www.mdpi.com/1996-1944/8/8/4631 |
| article html file updated | 6 May 2019 15:06 CEST | Update | N/A |
| article html file updated | 26 March 2019 07:16 CET | Update | N/A |
| article html file updated | 3 September 2015 03:56 CEST | Update | N/A |
| article xml file uploaded | 3 September 2015 03:56 CEST | Original file | https://www.mdpi.com/1996-1944/8/8/4631/xml |
| article html file updated | 21 August 2015 15:12 CEST | Original file | N/A |
| article pdf uploaded. | 23 July 2015 13:58 CEST | Version of Record | https://www.mdpi.com/1996-1944/8/8/4631/pdf |
