| article html file updated | 30 August 2025 03:46 CEST | Update | https://www.mdpi.com/2226-4787/6/2/40 |
| article html file updated | 21 August 2025 20:06 CEST | Update | N/A |
| article html file updated | 9 February 2020 16:08 CET | Update | N/A |
| article html file updated | 3 October 2019 04:44 CEST | Update | N/A |
| article html file updated | 30 April 2019 22:56 CEST | Update | N/A |
| article html file updated | 16 April 2019 23:29 CEST | Update | N/A |
| article html file updated | 29 March 2019 21:14 CET | Update | N/A |
| article html file updated | 27 June 2018 09:25 CEST | Update | N/A |
| article html file updated | 3 May 2018 07:48 CEST | Original file | N/A |
| article pdf uploaded. | 3 May 2018 07:47 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/2/40/pdf |
| article xml uploaded. | 3 May 2018 07:47 CEST | Update | https://www.mdpi.com/2226-4787/6/2/40/xml |
| article xml file uploaded | 3 May 2018 07:47 CEST | Original file | N/A |
