function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bratt, Albertus D. & Knutson, Lloyd V. & Murphy, William L.', 23],
    ['Dubiel, Grzegorz & Bystrowski, Cezary', 13],
    ['Elberg, Kaupo & Rozkošný, Rudolf & Knutson, Lloyd', 10],
    ['Evenhuis, Neal L. & O’Hara, James E. & Pape, Thomas', 11],
    ['Fallén, Carl Fredrik', 12],
    ['Khaghaninia, S. & Kazerani, F. & Vala, Jean-Claude', 15],
    ['Knutson, Lloyd V. & Deeming, John C. & Ebejer, Martin J.', 28],
    ['Li, Zhu & Yang, Ding', 10],
    ['Li, Zhu & Yang, Ding & Murphy, William L.', 22],
    ['Marinoni, Luciane & Murphy, William L.', 12],
    ['Marinoni, Luciane & Steyskal, George C. & Knutson, Lloyd', 14],
    ['Mortelmans, Jonas & Hendrix, Jef', 6],
    ['Murphy, William L. & González, Christian R. & Elgueta, Mario', 41],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 14],
    ['Vala, Jean-Claude & Williams, Christopher D.', 8],
    ['Other (26)', 44]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=283)',
    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);