| article html file updated | 29 August 2025 22:45 CEST | Update | https://www.mdpi.com/1999-4907/7/3/51 |
| article html file updated | 16 July 2022 01:51 CEST | Update | N/A |
| article html file updated | 7 February 2020 05:03 CET | Update | N/A |
| article html file updated | 5 May 2019 23:12 CEST | Update | N/A |
| article html file updated | 26 March 2019 21:46 CET | Update | N/A |
| article html file updated | 29 March 2016 11:45 CEST | Original file | N/A |
| article pdf uploaded. | 1 March 2016 07:45 CET | Updated version of record | https://www.mdpi.com/1999-4907/7/3/51/pdf |
| article xml uploaded. | 1 March 2016 07:45 CET | Update | https://www.mdpi.com/1999-4907/7/3/51/xml |
| article pdf uploaded. | 27 February 2016 09:45 CET | Version of Record | https://www.mdpi.com/1999-4907/7/3/51/pdf-vor |
| article xml uploaded. | 27 February 2016 09:45 CET | Original file | N/A |
