function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alonso, G. M.', 1],
    ['Ariyama, Hiroyuki & Kohtsuka, Hisanori', 3],
    ['Barnard, J. Laurens & Karaman, Gordan S.', 1],
    ['Bellan-Santini, Denise', 4],
    ['Boury-Esnault, Nicole & Bellan, Gerard & Bellan-Santini, Denise', 1],
    ['Corbari, Laure & Frutos, Inmaculada & Sorbe, Jean Claude', 3],
    ['Hendrycks, EA & Conlan, KE', 4],
    ['Labay, Vjacheslav S.', 2],
    ['Lowry, J. K.', 2],
    ['Lörz, Anne-Nina', 10],
    ['Myers, A. A.', 3],
    ['Okazaki, Masakuni & Tomikawa, Ko', 2],
    ['Sidorov, Dmitry A.', 3],
    ['Staude, Craig P.', 7],
    ['Verheye, Marie L. & D, Cédric & D, Udekem & Acoz', 8],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=62)',
    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);