| article html file updated | 5 February 2020 23:36 CET | Update | https://www.mdpi.com/2075-4450/4/1/55 |
| article html file updated | 8 May 2019 10:42 CEST | Update | N/A |
| article html file updated | 20 March 2019 16:18 CET | Update | N/A |
| article html file updated | 17 June 2015 05:01 CEST | Update | N/A |
| article html file updated | 27 January 2015 07:07 CET | Update | N/A |
| article xml file uploaded | 27 January 2015 07:07 CET | Original file | https://www.mdpi.com/2075-4450/4/1/55/xml |
| article html file updated | 8 February 2013 09:17 CET | Update | N/A |
| article html file updated | 7 February 2013 17:36 CET | Update | N/A |
| article html file updated | 24 January 2013 11:40 CET | Original file | N/A |
