| article html file updated | 30 August 2025 00:01 CEST | Update | https://www.mdpi.com/2312-7481/2/4/44 |
| article html file updated | 16 July 2022 04:06 CEST | Update | N/A |
| article html file updated | 7 February 2020 19:21 CET | Update | N/A |
| article html file updated | 22 September 2019 10:00 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:48 CEST | Update | N/A |
| article html file updated | 28 December 2016 11:31 CET | Update | N/A |
| article html file updated | 9 December 2016 10:49 CET | Original file | N/A |
| article xml uploaded. | 9 December 2016 10:47 CET | Original file | https://www.mdpi.com/2312-7481/2/4/44/xml |
| article pdf uploaded. | 9 December 2016 10:47 CET | Version of Record | https://www.mdpi.com/2312-7481/2/4/44/pdf |
