| article html file updated | 5 February 2020 16:19 CET | Update | https://www.mdpi.com/2073-4360/3/1/150 |
| article html file updated | 9 May 2019 02:46 CEST | Update | - |
| article html file updated | 20 March 2019 04:59 CET | Update | - |
| article html file updated | 16 June 2015 13:27 CEST | Update | - |
| article html file updated | 14 August 2014 12:04 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:04 CEST | Original file | https://www.mdpi.com/2073-4360/3/1/150/xml |
| article html file updated | 6 February 2013 19:24 CET | Update | - |
| article html file updated | 5 February 2013 23:19 CET | Update | - |
| article html file updated | 28 January 2013 20:50 CET | Update | - |
| article html file updated | 26 January 2013 00:28 CET | Update | - |
| article html file updated | 22 January 2013 08:06 CET | Original file | - |
