| article html file updated | 24 December 2025 14:14 CET | Update | https://www.mdpi.com/2218-273X/8/1/13 |
| article html file updated | 30 August 2025 03:06 CEST | Update | - |
| article html file updated | 21 August 2025 19:45 CEST | Update | - |
| article html file updated | 16 July 2022 10:03 CEST | Update | - |
| article html file updated | 9 February 2020 10:29 CET | Update | - |
| article html file updated | 1 October 2019 18:56 CEST | Update | - |
| article html file updated | 1 May 2019 10:23 CEST | Update | - |
| article html file updated | 17 April 2019 10:14 CEST | Update | - |
| article html file updated | 29 March 2019 07:58 CET | Update | - |
| article html file updated | 27 March 2018 14:25 CEST | Update | - |
| article html file updated | 20 March 2018 09:56 CET | Original file | - |
| article xml uploaded. | 20 March 2018 09:55 CET | Original file | https://www.mdpi.com/2218-273X/8/1/13/xml |
| article pdf uploaded. | 20 March 2018 09:55 CET | Version of Record | https://www.mdpi.com/2218-273X/8/1/13/pdf |
