| article html file updated | 24 December 2025 13:22 CET | Update | https://www.mdpi.com/1424-8247/5/1/61 |
| article html file updated | 28 September 2025 19:06 CEST | Update | N/A |
| article html file updated | 29 August 2025 20:20 CEST | Update | N/A |
| article html file updated | 15 July 2022 21:46 CEST | Update | N/A |
| article html file updated | 5 February 2020 19:00 CET | Update | N/A |
| article html file updated | 8 May 2019 21:13 CEST | Update | N/A |
| article html file updated | 25 March 2019 08:33 CET | Update | N/A |
| article html file updated | 16 June 2015 20:55 CEST | Update | N/A |
| article html file updated | 6 August 2013 16:00 CEST | Update | N/A |
| article xml file uploaded | 6 August 2013 16:00 CEST | Original file | https://www.mdpi.com/1424-8247/5/1/61/xml |
| article html file updated | 7 February 2013 09:35 CET | Update | N/A |
| article html file updated | 7 February 2013 00:07 CET | Update | N/A |
| article html file updated | 6 February 2013 05:23 CET | Update | N/A |
| article html file updated | 29 January 2013 01:10 CET | Update | N/A |
| article html file updated | 26 January 2013 07:16 CET | Update | N/A |
| article html file updated | 23 January 2013 06:51 CET | Original file | N/A |
