| article html file updated | 28 September 2025 19:13 CEST | Update | https://www.mdpi.com/2304-8158/1/1/18 |
| article html file updated | 5 February 2020 23:12 CET | Update | - |
| article html file updated | 8 May 2019 11:37 CEST | Update | - |
| article html file updated | 20 March 2019 15:28 CET | Update | - |
| article html file updated | 10 February 2017 03:37 CET | Update | - |
| article html file updated | 17 June 2015 04:29 CEST | Update | - |
| article html file updated | 7 February 2013 17:08 CET | Update | - |
| article html file updated | 29 January 2013 15:46 CET | Update | - |
| article xml file uploaded | 29 January 2013 15:46 CET | Update | https://www.mdpi.com/2304-8158/1/1/18/xml |
| article html file updated | 24 January 2013 10:03 CET | Update | - |
| article html file updated | 16 January 2013 13:08 CET | Original file | - |
| article xml file uploaded | 16 January 2013 13:08 CET | Original file | - |
