| article html file updated | 29 August 2025 22:50 CEST | Update | https://www.mdpi.com/1996-1073/9/3/200 |
| article html file updated | 16 July 2022 01:58 CEST | Update | N/A |
| article html file updated | 7 February 2020 05:54 CET | Update | N/A |
| article html file updated | 5 May 2019 21:28 CEST | Update | N/A |
| article html file updated | 26 March 2019 23:27 CET | Update | N/A |
| article html file updated | 30 March 2016 12:21 CEST | Original file | N/A |
| article xml uploaded. | 15 March 2016 12:55 CET | Original file | https://www.mdpi.com/1996-1073/9/3/200/xml |
| article pdf uploaded. | 15 March 2016 12:55 CET | Version of Record | https://www.mdpi.com/1996-1073/9/3/200/pdf |
