function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Chamé-Vázquez, David & Guzmán-García, Carlos Ernesto', 5],
    ['Chamé-Vázquez, David & Ibarra-Núñez, Guillermo', 6],
    ['Crespo, Luis C & Domenech, Marc & Enguidanos, Alba', 7],
    ['Danilov, S. N.', 5],
    ['Deeleman-Reinhold, Christa', 15],
    ['Deltshev, Christo & Komnenov, Marjan & Blagoev, Gergin', 6],
    ['Jin, Chi & Fu, Lina & Yin, Xiangchu & Zhang, Feng', 5],
    ['Lin, Yejie & Li, Shuqiang & Pham, Dinh-Sac', 22],
    ['Liu, Ke-Ke & Luo, Hui-Pu & Ying, Yuan-Hao & Xiao, Yu-Xin', 10],
    ['Liu, Ke-ke & Ying, Yuan-hao & Xiao, Yu-xin & Yan, Jing', 8],
    ['Liu, Keke & Xu, Xiang & Xiao, Yonghong & Yin, Haiqiang', 6],
    ['Liu, Keke & Xu, Xiang & Yin, Haiqiang', 8],
    ['Mu, Yannan & Jin, Chi & Zhang, Feng', 9],
    ['Mu, Yannan & Zhang, Feng', 52],
    ['Platnick, Norman I. & Chamé-Vázquez, David', 34],
    ['Other (17)', 41]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=239)',
    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);