| article html file updated | 30 August 2025 00:31 CEST | Update | https://www.mdpi.com/2227-9032/5/1/12 |
| article html file updated | 16 July 2022 05:05 CEST | Update | N/A |
| article html file updated | 8 February 2020 00:31 CET | Update | N/A |
| article html file updated | 23 September 2019 14:20 CEST | Update | N/A |
| article html file updated | 4 May 2019 08:51 CEST | Update | N/A |
| article html file updated | 30 March 2017 11:35 CEST | Update | N/A |
| article html file updated | 1 March 2017 10:00 CET | Original file | N/A |
| article xml uploaded. | 1 March 2017 09:59 CET | Original file | https://www.mdpi.com/2227-9032/5/1/12/xml |
| article pdf uploaded. | 1 March 2017 09:59 CET | Version of Record | https://www.mdpi.com/2227-9032/5/1/12/pdf |
