function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Beck, L. von', 1],
    ['Blackburn, T. & Sharp, David', 1],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Bukejs, Andris & Ślipiński, Adam & Mitchell, Jerit L.', 2],
    ['Chittaro, Yannick & Sanchez, Andreas', 1],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 4],
    ['Gimmel, Matthew L. & Slipinski, Adam', 1],
    ['Hlaváč, Peter', 2],
    ['Jałoszyński, Paweł & Ślipiński, Adam', 8],
    ['Meurgey, François & Ramage, Thibault', 2],
    ['Peck, Stewart B.', 5],
    ['Peck, Stewart B. & Thomas, Michael C. & Robert H. Turnbow, Jr.', 3],
    ['Pradel, Alan & Maisey, John G. & Mapes, Royal H.', 2],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 2],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=46)',
    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);