| article html file updated | 29 August 2025 22:57 CEST | Update | https://www.mdpi.com/2075-4418/6/2/15 |
| article html file updated | 16 July 2022 02:10 CEST | Update | N/A |
| article html file updated | 7 February 2020 07:13 CET | Update | N/A |
| article html file updated | 5 May 2019 18:44 CEST | Update | N/A |
| article html file updated | 27 March 2019 01:47 CET | Update | N/A |
| article html file updated | 4 July 2016 10:31 CEST | Update | N/A |
| article html file updated | 15 April 2016 14:33 CEST | Update | N/A |
| article xml uploaded. | 15 April 2016 14:32 CEST | Original file | https://www.mdpi.com/2075-4418/6/2/15/xml |
| article pdf uploaded. | 15 April 2016 14:32 CEST | Updated version of record | https://www.mdpi.com/2075-4418/6/2/15/pdf |
| article html file updated | 14 April 2016 05:40 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2016 11:36 CEST | Version of Record | https://www.mdpi.com/2075-4418/6/2/15/pdf-vor |