function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Bukejs, Andris', 8],
    ['Alekseev, Vitalii I. & Bukejs, Andris & Cooper, David M. L.', 3],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 3],
    ['Blackburn, T. & Sharp, David', 3],
    ['Halstead, David G. H.', 24],
    ['Karner, Michael', 35],
    ['Majka, Christopher G.', 10],
    ['Peck, Stewart B.', 5],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 6],
    ['Thomas, Michael C.', 8],
    ['Thomas, Michael C. & Ghahari, Hassan', 7],
    ['Waterhouse, Chas. O.', 6],
    ['Yoshida 1, Takahiro & Karner, Michael & Hirowatari, Toshiya', 10],
    ['Yoshida, Takahiro & Hirowatari, Toshiya', 18],
    ['Yoshida, Takahiro & Hirowatari, Toshiya & Hashim, Rosli', 4],
    ['Other (29)', 43]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=193)',
    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);