| article html file updated | 30 August 2025 06:42 CEST | Update | https://www.mdpi.com/2227-7102/8/3/138 |
| article html file updated | 20 July 2022 16:36 CEST | Update | N/A |
| article html file updated | 10 February 2020 09:32 CET | Update | N/A |
| article html file updated | 7 October 2019 12:56 CEST | Update | N/A |
| article html file updated | 29 April 2019 08:35 CEST | Update | N/A |
| article html file updated | 15 April 2019 04:18 CEST | Update | N/A |
| article html file updated | 31 March 2019 15:52 CEST | Update | N/A |
| article html file updated | 24 September 2018 02:41 CEST | Update | N/A |
| article html file updated | 6 September 2018 11:29 CEST | Original file | N/A |
| article pdf uploaded. | 6 September 2018 11:27 CEST | Version of Record | https://www.mdpi.com/2227-7102/8/3/138/pdf |
| article xml uploaded. | 6 September 2018 11:27 CEST | Update | https://www.mdpi.com/2227-7102/8/3/138/xml |
| article xml file uploaded | 6 September 2018 11:27 CEST | Original file | N/A |
