function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['DeMarmels, Jurg', 13],
    ['Dijkstra, Klaas-Douwe B. & Kalkman, Vincent J. & Dow, Rory A.', 72],
    ['Dijkstra, Klaas-Douwe B. & Kipping, Jens & Mézière, Nicolas', 13],
    ['Ellenrieder, Natalia Von', 33],
    ['Garrison, Rosser W. & Ellenrieder, Natalia Von', 37],
    ['Gonzalez Soriano, Enrique & Noguera, Felipe', 19],
    ['K. J. Morton', 14],
    ['Kormondy, E. J.', 15],
    ['Legrand, Jean', 20],
    ['Lencioni, F. A. A.', 30],
    ['Lieftinck, M. A.', 29],
    ['Machado, Angelo B. M.', 26],
    ['Mauffray, William F. & Tennessen, Kenneth J.', 17],
    ['Takiya, Daniela Maeda & Santos, Allan Paulo Moreira', 26],
    ['Yu, Xin & Bu, Wenjun', 16],
    ['Other (88)', 294]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=674)',
    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);