| article html file updated | 30 August 2025 00:29 CEST | Update | https://www.mdpi.com/2306-5354/4/1/15 |
| article html file updated | 16 July 2022 05:00 CEST | Update | - |
| article html file updated | 8 February 2020 00:08 CET | Update | - |
| article html file updated | 23 September 2019 12:09 CEST | Update | - |
| article html file updated | 4 May 2019 09:44 CEST | Update | - |
| article html file updated | 29 March 2017 06:09 CEST | Update | - |
| article html file updated | 27 February 2017 02:39 CET | Original file | - |
| article xml uploaded. | 27 February 2017 02:37 CET | Update | https://www.mdpi.com/2306-5354/4/1/15/xml |
| article xml uploaded. | 27 February 2017 02:37 CET | Original file | - |
| article pdf uploaded. | 27 February 2017 02:37 CET | Updated version of record | https://www.mdpi.com/2306-5354/4/1/15/pdf |
| article pdf uploaded. | 23 February 2017 13:20 CET | Version of Record | https://www.mdpi.com/2306-5354/4/1/15/pdf-vor |