function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Brady, H. B.', 25],
    ['Cedhagen, Tomas & Gooday, Andrew J. & Pawlowski, Jan', 4],
    ['Dai, Wu & Zhang, Yalin', 4],
    ['Gerdes, Klaas & Kihara, Terue Cristina & Martinez Arbizu, Pedro', 8],
    ['Gooday, A. J. & Todo, Y. & Uematsu, K. & Kitazato, H.', 3],
    ['Gooday, Andrew J. & Kamenskaya, Olga E. & Cedhagen, Tomas', 4],
    ['Holzmann, Maria & Barrenechea-Angeles, Inés & Lim, Swee-Cheng', 14],
    ['Lecroq, Béatrice & Gooday, Andrew John & Tsuchiya, Masashi', 4],
    ['Maldonado, Manuel & López-Acosta, María & Sitjà, Cèlia', 4],
    ['Noble, Paula & Aitchison, Jonathan C. & Danelian, Taniel', 1],
    ['Silva, Ana Aranda Da & Gooday, Andrew J. & Pearse, Richard B.', 2],
    ['Tavera-Martínez, Laura & Marchant, Margarita', 3],
    ['Toefy, R. & Gibbons, M. J. & McMillan, I. K.', 1],
    ['Voltski, Ivan & Pawlowski, Jan', 2],
    ['Wisshak, Max', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=84)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);