function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Archibald, S. Bruce & Rasnitsyn, Alexandr P.', 17],
    ['Lamarck, J. B. P. A. de M. de', 1],
    ['Liston, Andrew & Mutanen, Marko & Heidemaa, Mikk', 4],
    ['Liston, Andrew D. & Jacobs, Hans-Joachim & Prous, Marko', 1],
    ['Liston, Andrew D. & Knight, Guy T. & Sheppard, David A.', 36],
    ['Schedl, W.', 32],
    ['Schedl, Wolfgang', 13],
    ['Thunberg, Carl Peter', 1],
    ['Vilhelmsen, Lars & Shinohara, Akihiko', 2],
    ['Vilhelmsen, Lars & Smith, David R. & Malagón-Aldana, Leonardo A.', 9],
    ['Xian, Chunlan & Leong, Chi Man & Luo, Jiuyang & Jia, Fenglong', 1],
    ['Yan, Yu-Chen & Yan, Wen-Long & Deng, Tie-Jun & Wei, Mei-Cai', 13]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=130)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);