| article html file updated | 30 August 2025 04:15 CEST | Update | https://www.mdpi.com/2220-9964/7/6/211 |
| article html file updated | 16 July 2022 20:59 CEST | Update | N/A |
| article html file updated | 9 February 2020 20:00 CET | Update | N/A |
| article html file updated | 4 October 2019 05:01 CEST | Update | N/A |
| article html file updated | 30 April 2019 14:25 CEST | Update | N/A |
| article html file updated | 16 April 2019 15:02 CEST | Update | N/A |
| article html file updated | 30 March 2019 06:59 CET | Update | N/A |
| article html file updated | 26 June 2018 11:02 CEST | Update | N/A |
| article html file updated | 4 June 2018 02:41 CEST | Original file | N/A |
| article pdf uploaded. | 4 June 2018 02:40 CEST | Updated version of record | https://www.mdpi.com/2220-9964/7/6/211/pdf |
| article xml uploaded. | 4 June 2018 02:39 CEST | Update | https://www.mdpi.com/2220-9964/7/6/211/xml |
| article pdf uploaded. | 2 June 2018 10:14 CEST | Version of Record | https://www.mdpi.com/2220-9964/7/6/211/pdf-vor |
| article xml file uploaded | 2 June 2018 10:14 CEST | Original file | N/A |
