| article html file updated | 29 August 2025 21:35 CEST | Update | https://www.mdpi.com/2076-393X/3/1/172 |
| article html file updated | 15 July 2022 23:58 CEST | Update | - |
| article html file updated | 6 February 2020 16:44 CET | Update | - |
| article html file updated | 20 September 2019 18:59 CEST | Update | - |
| article html file updated | 6 May 2019 23:33 CEST | Update | - |
| article html file updated | 25 March 2019 23:09 CET | Update | - |
| article html file updated | 8 September 2015 06:05 CEST | Update | - |
| article xml file uploaded | 8 September 2015 06:05 CEST | Update | https://www.mdpi.com/2076-393X/3/1/172/xml |
| article html file updated | 21 August 2015 08:59 CEST | Update | - |
| article html file updated | 2 July 2015 06:38 CEST | Original file | - |
| article xml file uploaded | 2 July 2015 06:38 CEST | Original file | - |
| article pdf uploaded. | 18 March 2015 15:41 CET | Version of Record | https://www.mdpi.com/2076-393X/3/1/172/pdf |