| article html file updated | 30 August 2025 03:42 CEST | Update | https://www.mdpi.com/2311-5521/3/2/30 |
| article html file updated | 16 July 2022 11:05 CEST | Update | - |
| article html file updated | 9 February 2020 15:39 CET | Update | - |
| article html file updated | 3 October 2019 01:37 CEST | Update | - |
| article html file updated | 30 April 2019 23:56 CEST | Update | - |
| article html file updated | 17 April 2019 00:36 CEST | Update | - |
| article html file updated | 29 March 2019 20:00 CET | Update | - |
| article html file updated | 27 June 2018 09:25 CEST | Update | - |
| article html file updated | 27 April 2018 14:11 CEST | Original file | - |
| article pdf uploaded. | 27 April 2018 14:10 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/2/30/pdf |
| article xml uploaded. | 27 April 2018 14:10 CEST | Update | https://www.mdpi.com/2311-5521/3/2/30/xml |
| article xml file uploaded | 27 April 2018 14:10 CEST | Original file | - |