function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Armitage, Brian J. & Harris, Steven C. & Holzenthal, Ralph W.', 4],
    ['Espeland, Marianne & Johanson, Kjell Arne', 5],
    ['Gomes, Victor & Calor, Adolfo Ricardo', 29],
    ['Gomes, Victor De Andrade & Calor, Adolfo Ricardo', 8],
    ['Johanson, Kjell Arne', 5],
    ['Malicky, H.', 2],
    ['Malicky, Hans', 3],
    ['Mey, Wolfram & Malicky, Hans', 4],
    ['Mey, Wolfram & Ospina-Torres, Rodulfo', 3],
    ['Paprocki, Henrique & Franca, Diogo', 46],
    ['Rueda, Paola A. & Martin', 4],
    ['Saini, Malkiat S. & Pandher, Manpreet S. & Parey, Sajad H.', 7],
    ['Santos, Allan P. M. & Holzenthal, Ralph W.', 5],
    ['Souza, Raquel Lima De & Gomes, Victor & Calor, Adolfo R.', 2],
    ['Zamora-Muñoz, Carmen & Derka, Tomáš & Múrria, Cesc', 2],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=132)',
    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);