| article html file updated | 6 February 2020 00:32 CET | Update | https://www.mdpi.com/2078-2489/4/1/117 |
| article html file updated | 19 September 2019 17:55 CEST | Update | N/A |
| article html file updated | 8 May 2019 08:28 CEST | Update | N/A |
| article html file updated | 20 March 2019 18:36 CET | Update | N/A |
| article html file updated | 17 June 2015 06:34 CEST | Update | N/A |
| article html file updated | 10 November 2014 07:33 CET | Original file | N/A |
| article xml file uploaded | 10 November 2014 07:33 CET | Original file | https://www.mdpi.com/2078-2489/4/1/117/xml |
| article pdf uploaded. | 11 February 2013 16:01 CET | Version of Record | https://www.mdpi.com/2078-2489/4/1/117/pdf |
