| article html file updated | 29 August 2025 21:33 CEST | Update | https://www.mdpi.com/2076-0817/4/1/66 |
| article html file updated | 15 July 2022 23:54 CEST | Update | N/A |
| article html file updated | 6 February 2020 16:14 CET | Update | N/A |
| article html file updated | 7 May 2019 00:27 CEST | Update | N/A |
| article html file updated | 25 March 2019 22:18 CET | Update | N/A |
| article html file updated | 8 September 2015 06:05 CEST | Update | N/A |
| article xml file uploaded | 8 September 2015 06:05 CEST | Update | https://www.mdpi.com/2076-0817/4/1/66/xml |
| article html file updated | 21 August 2015 08:08 CEST | Update | N/A |
| article html file updated | 3 April 2015 12:51 CEST | Update | N/A |
| article xml file uploaded | 3 April 2015 12:51 CEST | Update | N/A |
| article html file updated | 3 March 2015 07:03 CET | Original file | N/A |
| article xml file uploaded | 3 March 2015 07:03 CET | Original file | N/A |
| article pdf uploaded. | 2 March 2015 12:01 CET | Version of Record | https://www.mdpi.com/2076-0817/4/1/66/pdf |
