| article html file updated | 29 August 2025 21:32 CEST | Update | https://www.mdpi.com/2075-4698/5/1/109 |
| article html file updated | 15 July 2022 23:53 CEST | Update | - |
| article html file updated | 6 February 2020 16:02 CET | Update | - |
| article html file updated | 20 September 2019 18:04 CEST | Update | - |
| article html file updated | 7 May 2019 00:49 CEST | Update | - |
| article html file updated | 25 March 2019 21:54 CET | Update | - |
| article html file updated | 21 August 2015 07:48 CEST | Update | - |
| article html file updated | 3 March 2015 07:03 CET | Original file | - |
| article xml file uploaded | 3 March 2015 07:03 CET | Original file | https://www.mdpi.com/2075-4698/5/1/109/xml |
| article pdf uploaded. | 16 February 2015 15:02 CET | Version of Record | https://www.mdpi.com/2075-4698/5/1/109/pdf |
