function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Aime, M. Catherine & Abbasi, Mehrdad', 1],
    ['Beebe, W.', 1],
    ['Bubner, Ben & Buchheit, Ramona & Friedrich, Frank', 17],
    ['Ebinghaus, M. & Begerow, D.', 2],
    ['Ebinghaus, Malte & Maier, Wolfgang & Wingfield, Michael J.', 3],
    ['EbrahimK, Walaa & BarbarK, Ziad', 1],
    ['Fraiture, André & Vanderweyen, Arthur', 4],
    ['Hernandez, J. R. & Piepenbring, M. & Rios, M. B. V.', 31],
    ['Ji, Jingxin & Li, Zhuang & Li, Yu & Kakishima, Makoto', 18],
    ['Judith, Caroline & Rossman, Amy', 26],
    ['Junior, Alcindo Da Silva Martins & Gomes, Paulo Weslem Portal', 122],
    ['Karunarathna, Samantha C. & Priyashantha, K Hasith', 71],
    ['Sun, Jing-E & Zhang, Qian & Luo, Wen-Mei & Yang, Yuan-Qiao', 7],
    ['Tabe, Affoussatou & Aime, M. Catherine & Yorou, Nourou Soulemane', 10],
    ['Wang, Lei & Liu, Shi-Tong & Liu, Yun & Liang, Ying-Mei', 3],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=318)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);