| article html file updated | 30 August 2025 04:46 CEST | Update | https://www.mdpi.com/2227-7072/6/3/61 |
| article html file updated | 16 July 2022 22:06 CEST | Update | N/A |
| article html file updated | 9 February 2020 22:43 CET | Update | N/A |
| article html file updated | 4 October 2019 22:07 CEST | Update | N/A |
| article html file updated | 30 April 2019 07:58 CEST | Update | N/A |
| article html file updated | 16 April 2019 03:00 CEST | Update | N/A |
| article html file updated | 30 March 2019 13:54 CET | Update | N/A |
| article html file updated | 22 September 2018 12:15 CEST | Update | N/A |
| article html file updated | 1 August 2018 06:01 CEST | Update | N/A |
| article html file updated | 31 July 2018 11:22 CEST | Update | N/A |
| article html file updated | 25 June 2018 10:23 CEST | Original file | N/A |
| article pdf uploaded. | 25 June 2018 10:22 CEST | Version of Record | https://www.mdpi.com/2227-7072/6/3/61/pdf |
| article xml uploaded. | 25 June 2018 10:22 CEST | Update | https://www.mdpi.com/2227-7072/6/3/61/xml |
| article xml file uploaded | 25 June 2018 10:22 CEST | Original file | N/A |