function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I.', 1],
    ['Alekseev, Vitaly I.', 1],
    ['Anderson, Roy & Fuller, Jennifer', 3],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 1],
    ['Blair, K. G.', 1],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Delgado, Leonardo & Santiago-Jiménez, Quiyari J.', 1],
    ['Ferro, Michael L. & Gimmel, Matthew L. & Harms, Kyle E.', 1],
    ['Grouvelle, A.', 1],
    ['Herger, Peter & Germann, Christoph', 1],
    ['Peck, Stewart B.', 7],
    ['Peck, Stewart B. & Thomas, Michael C. & Robert H. Turnbow, Jr.', 3],
    ['Pollock, Darren A.', 8],
    ['Solervicens, Jaime', 2],
    ['Solervicens, Jaime A.', 2],
    ['Other (10)', 10]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=44)',
    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);