function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Berge, Jørgen & Vader, Wim & Johnsen, Jan Roger', 6],
    ['Diffenthal, Mark & Horton, Tammy', 2],
    ['Hendrycks, Ed A. & Broyer, Claude De', 6],
    ['Horton, Tammy & Thurston, Michael', 3],
    ['Jung, Tae Won & Coleman, Charles Oliver & Kim, Ji Hyung', 2],
    ['Kilgallen, N. M. & Lowry, J. K.', 8],
    ['Larsen, Kim', 2],
    ['Lowry, J. K. & Kilgallen, N. M.', 43],
    ['Lowry, J. K. & Stoddart, H. E.', 7],
    ['Narahara, Yukiko & Tomikawa, Ko & Torigoe, Kenji', 5],
    ['Soldatenko, Elena V.', 2],
    ['Sorrentino, Rayane & Souza-Filho, Jesser F. & Senna, André R.', 2],
    ['Takekawa, Atsushi & Ishimaru, Shin-ichi', 2],
    ['Thacker, Dimple & Patel, Krupal & Myers, Alan', 3],
    ['Vader, Wim & Johnsen, Jan Roger & Tandberg, Anne Helene S.', 3],
    ['Other (5)', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=101)',
    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);