| article html file updated | 30 August 2025 03:50 CEST | Update | https://www.mdpi.com/2311-5521/3/2/32 |
| article html file updated | 21 August 2025 20:08 CEST | Update | - |
| article html file updated | 16 July 2022 20:14 CEST | Update | - |
| article html file updated | 9 February 2020 16:42 CET | Update | - |
| article html file updated | 3 October 2019 08:18 CEST | Update | - |
| article html file updated | 30 April 2019 21:47 CEST | Update | - |
| article html file updated | 16 April 2019 22:15 CEST | Update | - |
| article html file updated | 29 March 2019 22:37 CET | Update | - |
| article html file updated | 27 June 2018 09:28 CEST | Update | - |
| article html file updated | 10 May 2018 11:19 CEST | Update | - |
| article xml uploaded. | 10 May 2018 11:18 CEST | Update | https://www.mdpi.com/2311-5521/3/2/32/xml |
| article html file updated | 10 May 2018 06:03 CEST | Original file | - |
| article pdf uploaded. | 10 May 2018 06:02 CEST | Updated version of record | https://www.mdpi.com/2311-5521/3/2/32/pdf |
| article pdf uploaded. | 10 May 2018 05:57 CEST | Updated version of record | https://www.mdpi.com/2311-5521/3/2/32/pdf-vor |
| article xml file uploaded | 10 May 2018 05:57 CEST | Update | - |
| article pdf uploaded. | 7 May 2018 17:51 CEST | Updated version of record | https://www.mdpi.com/2311-5521/3/2/32/pdf-vor |
| article xml file uploaded | 7 May 2018 16:53 CEST | Original file | - |
| article pdf uploaded. | 7 May 2018 16:53 CEST | Version of Record | https://www.mdpi.com/2311-5521/3/2/32/pdf-vor |
