| article html file updated | 29 August 2025 23:24 CEST | Update | https://www.mdpi.com/2077-0472/6/3/31 |
| article html file updated | 16 July 2022 02:56 CEST | Update | - |
| article html file updated | 7 February 2020 12:16 CET | Update | - |
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| article html file updated | 27 March 2019 11:21 CET | Update | - |
| article html file updated | 24 February 2017 16:39 CET | Update | - |
| article xml uploaded. | 24 February 2017 16:38 CET | Update | https://www.mdpi.com/2077-0472/6/3/31/xml |
| article xml uploaded. | 24 February 2017 16:38 CET | Update | - |
| article pdf uploaded. | 24 February 2017 16:38 CET | Updated version of record | https://www.mdpi.com/2077-0472/6/3/31/pdf |
| Erratum published | 23 February 2017 00:00 CET | Erratum | http://www.mdpi.com/2077-0472/7/3/17 |
| article html file updated | 29 September 2016 08:18 CEST | Update | - |
| article html file updated | 25 July 2016 14:10 CEST | Original file | - |
| article pdf uploaded. | 25 July 2016 14:09 CEST | Version of Record | https://www.mdpi.com/2077-0472/6/3/31/pdf-vor |
