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Temporal and spatial regulation of proteins contributes to function. We describe a multidimensional microscopic robot technology for high-throughput protein colocalization studies that runs cycles of fluorescence tagging, imaging and bleaching in situ. This technology combines three advances: a fluorescence technique capable of mapping hundreds of different proteins in one tissue section or cell sample; a method selecting the most prominent combinatorial molecular patterns by representing the data as binary vectors; and a system for imaging the distribution of these protein clusters in a so-called toponome map. By analyzing many cell and tissue types, we show that this approach reveals rules of hierarchical protein network organization, in which the frequency distribution of different protein clusters obeys Zipf's law, and state-specific lead proteins appear to control protein network topology and function. The technology may facilitate the development of diagnostics and targeted therapies.

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Corporate partners of the EDF have been asked to contribute towards this work. GlaxoSmithKline plc. (GSK) and Meda AB have contributed funding for the development of the European evidence-based (S3) guideline for the treatment of acne (update 2016) through an educational grant to the EDF. Sponsors had no influence on the content of the guideline. Support was given independent of any influence on methods or results. Sponsors did not receive any information about methods, group members or likely results. The sources of the funding were not known to the experts of the guideline and were not disclosed before the finalization of the guideline. This is a short summary of the complete version of the S3 European Acne guideline, please see online appendix for full text (Document S1. Long Version) and detailed methods report (DOI: 10.1111/jdv.13783). Expiry date: 31 December 2020 MethodsIn order to weight the different recommendations, the group assigned a 'strength of recommendation'. It considered all aspects of the treatment decision, such as efficacy, safety, patient preference and the reliability of the existing body of evidence. Strength of recommendationIn order to grade the recommendation a "standardized guideline" language was used:

Scientific advances are continually improving the knowledge of acne and contributing to the refinement of treatment options; it is important for clinicians to regularly update their practice patterns to reflect current standards. The Global Alliance to Improve Outcomes in Acne is an international group of dermatologists with an interest in acne research and education that has been meeting regularly since 2001. As a group, we have continuously evaluated the literature on acne. This supplement focuses on providing relevant clinical guidance to health care practitioners managing patients with acne, with an emphasis on areas where the evidence base may be sparse or need interpretation for daily practice.