Question: To which magazine published 6 times a year and headquartered in Brighton Watertown, Massachusetts has Harrie Vredenburg contributed?

Context articles: Executive Travel
Canadian Pharmacists Journal
Harvard Business Review
The Swedish Rheumatism Association
Iranian Studies (journal)
Virulence (journal)
Harrie Vredenburg
Plaza Magazine
Railways Africa
Urban Land

Executive Travel magazine was an American bimonthly magazine published in New York City by Time Inc. The magazine, launched in May 2002, was published 6 times a year.
 Geared toward upscale executives, the magazine covered relevant topics on business, travel and affluent lifestyle.
 It offered exclusive reach to American Express Corporate Platinum Cardmembers.
Established in 1868, the Canadian Pharmacists Journal ("CPJ") is the oldest continuously published periodical in Canada.
 This peer-reviewed journal is published 6 times per year, and features original research, clinical reviews, commentaries, evidence briefs, clinical practice guidelines and practice tools relating to advancing pharmacy practice towards patient-centred care and improving outcomes.
 The journal has a circulation of over 18,000.
 It is the official publication of the Canadian Pharmacists Association.
The Harvard Business Review (HBR) is a general management magazine published by Harvard Business Publishing, a wholly owned subsidiary of Harvard University.
 HBR is published 6 times a year and is headquartered in Brighton Watertown, Massachusetts.
The Swedish Rheumatism Association (Swedish: Reumatikerförbundet) is a non-profit organization working for people with rheumatic disorders.
 Rheumatism Association funds research in rheumatic diseases through Rheumatism Fund, which collects and administer gifts and donations from mainly private individuals.
 The Swedish Rheumatism Association has 200 local chapters, serviced by 24 regional branches.
 "Rheumatism world" is the association's own magazine in Swedish, published 6 times per year.
 It provides information about rheumatic diseases, coping strategies, health guides, exercise programs and news about scientific research for members of the association.
Iranian Studies is a quarterly peer-reviewed academic journal covering Iranian and Persianate history, literature, and society published by Routledge on behalf of the International Society for Iranian Studies.
 It is published 6 times a year and was established in 1967.
 The editor-in-chief is Homa Katouzian (St. Antony's College, University of Oxford).
 The journal is abstracted and indexed in the MLA International Bibliography.
Virulence is a peer reviewed medical journal that covers microbiology and immunology specifically, microorganism pathogenicity, the infection process and host–pathogen interactions.
 It is published 8 times per year by Taylor & Francis.
 It was previously published 6 times per year by Landes Bioscience.
 The journal was established in 2010 by Eva M. Riedmann, and Eleftherios Mylonakis.
 The editor-in-chief is Eleftherios Mylonakis.
Harrie Vredenburg (born 1952) is Professor of Strategy at the University of Calgary’s Haskayne School of Business and is the Suncor Energy Chair in Competitive Strategy and Sustainable Development, a research chair affiliated with the University's Institute for Sustainable Energy, Environment and Economy.
 He also holds an appointment as an International Research Fellow at Oxford University’s Said Business School: In 2010 he co-founded and as of July assumed the position of Academic Director of the new Haskayne/IHS CERA Global Energy Executive MBA, a program targeted to the global energy industry with classroom sessions in Calgary, Houston, London and the Middle East.
 He has authored or co-authored more than 40 scholarly journal articles, including important papers in Strategic Management Journal, Organization Science, Harvard Business Review and MIT Sloan Management Review.
 A leading authority on corporate strategy, governance, innovation and the management of environmental issues in energy and resource industries, Vredenburg's work is recognized in academic circles, corporations, governments and non-profits.
Plaza Magazine International is an international publication, focusing on design, interior decoration and fashion with a "hip" Scandinavian perspective.
 Plaza Magazine is published 6 times per year by Plaza Publishing Group AB, and is sold is over 40 countries world wide.
 Plaza Magazine was founded in Sweden 1994.
Railways Africa ISSN 1029-2756  is the leading if not only publication covering railways in Africa and the Middle East.
 It is published 6 times per year in English and was first published in 1954.
Urban Land is a magazine published by the Urban Land Institute (ULI).
 It is published 6 times a year and is headquartered in Washington, D.C. "Urban Land"'s articles cover a wide range of international topics, while concentrating on the needs of professionals in the real estate development and land use industry.
 The magazine provides practical, objective, and timely articles on a variety of industry issues, emphasizing solutions to development and land use problems in line with the mission of ULI.