| article html file updated | 29 August 2025 22:51 CEST | Update | https://www.mdpi.com/2075-4701/6/3/71 |
| article html file updated | 20 August 2025 22:16 CEST | Update | N/A |
| article html file updated | 16 July 2022 02:01 CEST | Update | N/A |
| article html file updated | 7 February 2020 06:09 CET | Update | N/A |
| article html file updated | 5 May 2019 20:55 CEST | Update | N/A |
| article html file updated | 26 March 2019 23:55 CET | Update | N/A |
| article html file updated | 30 March 2016 12:11 CEST | Original file | N/A |
| article xml uploaded. | 21 March 2016 08:14 CET | Original file | https://www.mdpi.com/2075-4701/6/3/71/xml |
| article pdf uploaded. | 21 March 2016 08:14 CET | Version of Record | https://www.mdpi.com/2075-4701/6/3/71/pdf |
