| article html file updated | 30 August 2025 03:36 CEST | Update | https://www.mdpi.com/2077-0383/7/4/87 |
| article html file updated | 21 August 2025 20:01 CEST | Update | - |
| article html file updated | 9 February 2020 14:48 CET | Update | - |
| article html file updated | 2 October 2019 20:36 CEST | Update | - |
| article html file updated | 1 May 2019 01:34 CEST | Update | - |
| article html file updated | 17 April 2019 02:10 CEST | Update | - |
| article html file updated | 29 March 2019 17:57 CET | Update | - |
| article html file updated | 1 May 2018 05:35 CEST | Update | - |
| article html file updated | 22 April 2018 04:40 CEST | Update | - |
| article xml uploaded. | 22 April 2018 04:39 CEST | Update | https://www.mdpi.com/2077-0383/7/4/87/xml |
| article pdf uploaded. | 22 April 2018 04:39 CEST | Updated version of record | https://www.mdpi.com/2077-0383/7/4/87/pdf |
| article html file updated | 22 April 2018 04:14 CEST | Original file | - |
| article pdf uploaded. | 22 April 2018 04:13 CEST | Version of Record | https://www.mdpi.com/2077-0383/7/4/87/pdf-vor |
