function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I.', 3],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Broun, Thomas', 1],
    ['Dejean, Pierre François Marie Auguste', 2],
    ['Grouvelle, A.', 2],
    ['Lord, Nathan P. & McHugh, Joseph V.', 26],
    ['Mcelrath, Thomas C. & Androw, Robert A. & Mchugh, Joseph V.', 3],
    ['Motschulsky, Victor de', 1],
    ['Peck, Stewart B.', 3],
    ['Peck, Stewart B. & Thomas, Michael C. & Robert H. Turnbow, Jr.', 1],
    ['Perez-Gelabert, Daniel E.', 1],
    ['Robert H. Turnbow, Jr. & Thomas, Michael C.', 1],
    ['Ruchin, Alexaner B. & Egorov, Leonid V. & Alekseev, Sergei K.', 1],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 2],
    ['Thomas, Michael C. & Robert H. Turnbow, Jr. & Steiner, Warren', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=49)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);