| article html file updated | 29 August 2025 20:32 CEST | Update | https://www.mdpi.com/2079-7737/2/1/64 |
| article html file updated | 15 July 2022 22:06 CEST | Update | N/A |
| article html file updated | 5 February 2020 23:51 CET | Update | N/A |
| article html file updated | 8 May 2019 10:09 CEST | Update | N/A |
| article html file updated | 20 March 2019 16:52 CET | Update | N/A |
| article html file updated | 17 June 2015 05:18 CEST | Update | N/A |
| article html file updated | 18 July 2014 03:52 CEST | Update | N/A |
| article xml file uploaded | 18 July 2014 03:52 CEST | Original file | https://www.mdpi.com/2079-7737/2/1/64/xml |
| article html file updated | 8 February 2013 09:24 CET | Update | N/A |
| article html file updated | 7 February 2013 17:43 CET | Update | N/A |
| article html file updated | 24 January 2013 11:58 CET | Original file | N/A |
